Merge pull request #22986 from storybookjs/simplify-migration-guide-cli

Docs: Simplify `migration-guide`
(cherry picked from commit 28197ea)

docs/migration-guide.md

@@ -6,19 +6,16 @@ Storybook 7 is our first major release in over 2 years. A lot has changed during
 
 ## Major breaking changes
 
-The rest of this guide will help you upgrade successfully, either automatically or manually. But first, we’ve accumulated a lot of breaking changes in Storybook 7. Here are the most impactful changes you should know about before you go further:
+The rest of this guide will help you upgrade successfully, either automatically or manually. But first, we’ve accumulated a lot of [breaking changes](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#70-breaking-changes) in Storybook 7. Here are the most impactful changes you should know about before you go further:
 
 - [Webpack4 support discontinued](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#webpack4-support-discontinued)
 - [IE11 support discontinued](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#modern-browser-support)
 - [Minimum supported version of node is 16](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#dropped-support-for-node-15-and-below)
 - [Babel mode v7 exclusively](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#babel-mode-v7-exclusively)
+- [Start and build CLI binaries removed](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#start-storybook--build-storybook-binaries-removed)
 - [Some community addons might not work yet](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#specific-instructions-for-addon-users)
-- Storybook CLI changes:
-  - [Start and build binaries removed](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#start-storybook--build-storybook-binaries-removed)
-  - [`DLL` flags removed](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#removed-dll-flags)
-  - [`use-npm` flag deprecated](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#cli-option---use-npm-deprecated)
 
-If any of these apply to your project, please read through the [full migration notes](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#from-version-65x-to-700) before continuing. If these are hard requirements, you should probably stick with Storybook 6.x.
+If any of these apply to your project, please read through the [full migration notes](https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#from-version-65x-to-700) before continuing. If any of these new requirements or changes do not fit your project, you should probably stick with Storybook 6.x.
 
 ## Automatic upgrade