Remove legacy applications and legacy mode (elastic#75987)

* remove legacy mode and legacy service

* fix tests

* remove txt file

* fix xpack code

* fix types

* remove legacy test

* fix integration tests

* remove legacy reference

* yet another legacy reference

* handle uptime app special case

* update generated doc

* address review comments

* remove legacy fields from ChromeNavLink

* few fixes

* remove legacy API from docTitle service

* ChromeNavLink.href is now mandatory

* update generated doc

* remove legacyMode leftovers

* remove ChromeNavLink.active

* update generated doc
# Conflicts:
#	src/core/public/chrome/nav_links/to_nav_link.ts
#	src/core/public/chrome/ui/header/nav_link.tsx
#	src/core/public/legacy/legacy_service.ts

docs/development/core/public/kibana-plugin-core-public.appbase.capabilities.md → docs/development/core/public/kibana-plugin-core-public.app.capabilities.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [capabilities](./kibana-plugin-core-public.appbase.capabilities.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [capabilities](./kibana-plugin-core-public.app.capabilities.md)
 
-## AppBase.capabilities property
+## App.capabilities property
 
 Custom capabilities defined by the app.
 

docs/development/core/public/kibana-plugin-core-public.appbase.category.md → docs/development/core/public/kibana-plugin-core-public.app.category.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [category](./kibana-plugin-core-public.appbase.category.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [category](./kibana-plugin-core-public.app.category.md)
 
-## AppBase.category property
+## App.category property
 
 The category definition of the product See [AppCategory](./kibana-plugin-core-public.appcategory.md) See DEFAULT\_APP\_CATEGORIES for more reference
 

docs/development/core/public/kibana-plugin-core-public.appbase.defaultpath.md → docs/development/core/public/kibana-plugin-core-public.app.defaultpath.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [defaultPath](./kibana-plugin-core-public.appbase.defaultpath.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [defaultPath](./kibana-plugin-core-public.app.defaultpath.md)
 
-## AppBase.defaultPath property
+## App.defaultPath property
 
 Allow to define the default path a user should be directed to when navigating to the app. When defined, this value will be used as a default for the `path` option when calling [navigateToApp](./kibana-plugin-core-public.applicationstart.navigatetoapp.md)<!-- -->\`<!-- -->, and will also be appended to the [application navLink](./kibana-plugin-core-public.chromenavlink.md) in the navigation bar.
 

docs/development/core/public/kibana-plugin-core-public.appbase.euiicontype.md → docs/development/core/public/kibana-plugin-core-public.app.euiicontype.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [euiIconType](./kibana-plugin-core-public.appbase.euiicontype.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [euiIconType](./kibana-plugin-core-public.app.euiicontype.md)
 
-## AppBase.euiIconType property
+## App.euiIconType property
 
 A EUI iconType that will be used for the app's icon. This icon takes precendence over the `icon` property.
 

docs/development/core/public/kibana-plugin-core-public.appbase.icon.md → docs/development/core/public/kibana-plugin-core-public.app.icon.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [icon](./kibana-plugin-core-public.appbase.icon.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [icon](./kibana-plugin-core-public.app.icon.md)
 
-## AppBase.icon property
+## App.icon property
 
 A URL to an image file used as an icon. Used as a fallback if `euiIconType` is not provided.
 

docs/development/core/public/kibana-plugin-core-public.appbase.id.md → docs/development/core/public/kibana-plugin-core-public.app.id.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [id](./kibana-plugin-core-public.appbase.id.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [id](./kibana-plugin-core-public.app.id.md)
 
-## AppBase.id property
+## App.id property
 
 The unique identifier of the application
 

docs/development/core/public/kibana-plugin-core-public.app.md

@@ -4,20 +4,31 @@
 
 ## App interface
 
-Extension of [common app properties](./kibana-plugin-core-public.appbase.md) with the mount function.
 
 <b>Signature:</b>
 
 ```typescript
-export interface App<HistoryLocationState = unknown> extends AppBase 
+export interface App<HistoryLocationState = unknown> 
 ```
 
 ## Properties
 
 |  Property | Type | Description |
 |  --- | --- | --- |
 |  [appRoute](./kibana-plugin-core-public.app.approute.md) | <code>string</code> | Override the application's routing path from <code>/app/${id}</code>. Must be unique across registered applications. Should not include the base path from HTTP. |
+|  [capabilities](./kibana-plugin-core-public.app.capabilities.md) | <code>Partial&lt;Capabilities&gt;</code> | Custom capabilities defined by the app. |
+|  [category](./kibana-plugin-core-public.app.category.md) | <code>AppCategory</code> | The category definition of the product See [AppCategory](./kibana-plugin-core-public.appcategory.md) See DEFAULT\_APP\_CATEGORIES for more reference |
 |  [chromeless](./kibana-plugin-core-public.app.chromeless.md) | <code>boolean</code> | Hide the UI chrome when the application is mounted. Defaults to <code>false</code>. Takes precedence over chrome service visibility settings. |
+|  [defaultPath](./kibana-plugin-core-public.app.defaultpath.md) | <code>string</code> | Allow to define the default path a user should be directed to when navigating to the app. When defined, this value will be used as a default for the <code>path</code> option when calling [navigateToApp](./kibana-plugin-core-public.applicationstart.navigatetoapp.md)<!-- -->\`<!-- -->, and will also be appended to the [application navLink](./kibana-plugin-core-public.chromenavlink.md) in the navigation bar. |
+|  [euiIconType](./kibana-plugin-core-public.app.euiicontype.md) | <code>string</code> | A EUI iconType that will be used for the app's icon. This icon takes precendence over the <code>icon</code> property. |
 |  [exactRoute](./kibana-plugin-core-public.app.exactroute.md) | <code>boolean</code> | If set to true, the application's route will only be checked against an exact match. Defaults to <code>false</code>. |
+|  [icon](./kibana-plugin-core-public.app.icon.md) | <code>string</code> | A URL to an image file used as an icon. Used as a fallback if <code>euiIconType</code> is not provided. |
+|  [id](./kibana-plugin-core-public.app.id.md) | <code>string</code> | The unique identifier of the application |
 |  [mount](./kibana-plugin-core-public.app.mount.md) | <code>AppMount&lt;HistoryLocationState&gt; &#124; AppMountDeprecated&lt;HistoryLocationState&gt;</code> | A mount function called when the user navigates to this app's route. May have signature of [AppMount](./kibana-plugin-core-public.appmount.md) or [AppMountDeprecated](./kibana-plugin-core-public.appmountdeprecated.md)<!-- -->. |
+|  [navLinkStatus](./kibana-plugin-core-public.app.navlinkstatus.md) | <code>AppNavLinkStatus</code> | The initial status of the application's navLink. Defaulting to <code>visible</code> if <code>status</code> is <code>accessible</code> and <code>hidden</code> if status is <code>inaccessible</code> See [AppNavLinkStatus](./kibana-plugin-core-public.appnavlinkstatus.md) |
+|  [order](./kibana-plugin-core-public.app.order.md) | <code>number</code> | An ordinal used to sort nav links relative to one another for display. |
+|  [status](./kibana-plugin-core-public.app.status.md) | <code>AppStatus</code> | The initial status of the application. Defaulting to <code>accessible</code> |
+|  [title](./kibana-plugin-core-public.app.title.md) | <code>string</code> | The title of the application. |
+|  [tooltip](./kibana-plugin-core-public.app.tooltip.md) | <code>string</code> | A tooltip shown when hovering over app link. |
+|  [updater$](./kibana-plugin-core-public.app.updater_.md) | <code>Observable&lt;AppUpdater&gt;</code> | An [AppUpdater](./kibana-plugin-core-public.appupdater.md) observable that can be used to update the application [AppUpdatableFields](./kibana-plugin-core-public.appupdatablefields.md) at runtime. |
 

docs/development/core/public/kibana-plugin-core-public.appbase.navlinkstatus.md → docs/development/core/public/kibana-plugin-core-public.app.navlinkstatus.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [navLinkStatus](./kibana-plugin-core-public.appbase.navlinkstatus.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [navLinkStatus](./kibana-plugin-core-public.app.navlinkstatus.md)
 
-## AppBase.navLinkStatus property
+## App.navLinkStatus property
 
 The initial status of the application's navLink. Defaulting to `visible` if `status` is `accessible` and `hidden` if status is `inaccessible` See [AppNavLinkStatus](./kibana-plugin-core-public.appnavlinkstatus.md)
 

docs/development/core/public/kibana-plugin-core-public.appbase.order.md → docs/development/core/public/kibana-plugin-core-public.app.order.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [order](./kibana-plugin-core-public.appbase.order.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [order](./kibana-plugin-core-public.app.order.md)
 
-## AppBase.order property
+## App.order property
 
 An ordinal used to sort nav links relative to one another for display.
 

docs/development/core/public/kibana-plugin-core-public.appbase.status.md → docs/development/core/public/kibana-plugin-core-public.app.status.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [status](./kibana-plugin-core-public.appbase.status.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [status](./kibana-plugin-core-public.app.status.md)
 
-## AppBase.status property
+## App.status property
 
 The initial status of the application. Defaulting to `accessible`
 

docs/development/core/public/kibana-plugin-core-public.appbase.title.md → docs/development/core/public/kibana-plugin-core-public.app.title.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [title](./kibana-plugin-core-public.appbase.title.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [title](./kibana-plugin-core-public.app.title.md)
 
-## AppBase.title property
+## App.title property
 
 The title of the application.
 

docs/development/core/public/kibana-plugin-core-public.appbase.tooltip.md → docs/development/core/public/kibana-plugin-core-public.app.tooltip.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [tooltip](./kibana-plugin-core-public.appbase.tooltip.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [tooltip](./kibana-plugin-core-public.app.tooltip.md)
 
-## AppBase.tooltip property
+## App.tooltip property
 
 A tooltip shown when hovering over app link.
 

docs/development/core/public/kibana-plugin-core-public.appbase.updater_.md → docs/development/core/public/kibana-plugin-core-public.app.updater_.md

@@ -1,8 +1,8 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [AppBase](./kibana-plugin-core-public.appbase.md) &gt; [updater$](./kibana-plugin-core-public.appbase.updater_.md)
+[Home](./index.md) &gt; [kibana-plugin-core-public](./kibana-plugin-core-public.md) &gt; [App](./kibana-plugin-core-public.app.md) &gt; [updater$](./kibana-plugin-core-public.app.updater_.md)
 
-## AppBase.updater$ property
+## App.updater$ property
 
 An [AppUpdater](./kibana-plugin-core-public.appupdater.md) observable that can be used to update the application [AppUpdatableFields](./kibana-plugin-core-public.appupdatablefields.md) at runtime.
 

docs/development/core/public/kibana-plugin-core-public.applicationstart.applications_.md

@@ -9,7 +9,7 @@ Observable emitting the list of currently registered apps and their associated s
 <b>Signature:</b>
 
 ```typescript
-applications$: Observable<ReadonlyMap<string, PublicAppInfo | PublicLegacyAppInfo>>;
+applications$: Observable<ReadonlyMap<string, PublicAppInfo>>;
 ```
 
 ## Remarks

docs/development/core/public/kibana-plugin-core-public.applicationstart.md

@@ -15,7 +15,7 @@ export interface ApplicationStart
 
 |  Property | Type | Description |
 |  --- | --- | --- |
-|  [applications$](./kibana-plugin-core-public.applicationstart.applications_.md) | <code>Observable&lt;ReadonlyMap&lt;string, PublicAppInfo &#124; PublicLegacyAppInfo&gt;&gt;</code> | Observable emitting the list of currently registered apps and their associated status. |
+|  [applications$](./kibana-plugin-core-public.applicationstart.applications_.md) | <code>Observable&lt;ReadonlyMap&lt;string, PublicAppInfo&gt;&gt;</code> | Observable emitting the list of currently registered apps and their associated status. |
 |  [capabilities](./kibana-plugin-core-public.applicationstart.capabilities.md) | <code>RecursiveReadonly&lt;Capabilities&gt;</code> | Gets the read-only capabilities. |
 |  [currentAppId$](./kibana-plugin-core-public.applicationstart.currentappid_.md) | <code>Observable&lt;string &#124; undefined&gt;</code> | An observable that emits the current application id and each subsequent id update. |
 

docs/development/core/public/kibana-plugin-core-public.appupdatablefields.md

@@ -9,5 +9,5 @@ Defines the list of fields that can be updated via an [AppUpdater](./kibana-plug
 <b>Signature:</b>
 
 ```typescript
-export declare type AppUpdatableFields = Pick<AppBase, 'status' | 'navLinkStatus' | 'tooltip' | 'defaultPath'>;
+export declare type AppUpdatableFields = Pick<App, 'status' | 'navLinkStatus' | 'tooltip' | 'defaultPath'>;
 ```

docs/development/core/public/kibana-plugin-core-public.appupdater.md

@@ -9,5 +9,5 @@ Updater for applications. see [ApplicationSetup](./kibana-plugin-core-public.app
 <b>Signature:</b>
 
 ```typescript
-export declare type AppUpdater = (app: AppBase) => Partial<AppUpdatableFields> | undefined;
+export declare type AppUpdater = (app: App) => Partial<AppUpdatableFields> | undefined;
 ```

docs/development/core/public/kibana-plugin-core-public.chromenavlink.disabled.md

@@ -4,10 +4,6 @@
 
 ## ChromeNavLink.disabled property
 
-> Warning: This API is now obsolete.
-> 
-> 
-
 Disables a link from being clickable.
 
 <b>Signature:</b>

docs/development/core/public/kibana-plugin-core-public.chromenavlink.href.md

@@ -9,5 +9,5 @@ Settled state between `url`<!-- -->, `baseUrl`<!-- -->, and `active`
 <b>Signature:</b>
 
 ```typescript
-readonly href?: string;
+readonly href: string;
 ```