Remove mention of old removed feature

Messenger.com no longer directly sends pasted attachments.

readme.md

@@ -124,10 +124,6 @@ Desktop notifications can be turned on in `Preferences`.
 
 You can toggle whether Caprine stays on top of other windows in the `Window`/`View` menu or with <kbd>Command/Control</kbd> <kbd>Shift</kbd> <kbd>t</kbd>.
 
-### Image paste confirmation
-
-Confirmation before sending images from the clipboard, to prevent accidental copy-pastes.
-
 ### Work Chat support
 
 Support for Work Chat: Messenger for [Workplace](https://www.facebook.com/workplace). You can switch to it in the `Caprine`/`File` menu.

source/config.ts

@@ -29,7 +29,6 @@ type StoreType = {
 		deliveryReceipt: boolean;
 	};
 	emojiStyle: 'native' | 'facebook-3-0' | 'messenger-1-0' | 'facebook-2-2';
-	confirmImagePaste: boolean;
 	useWorkChat: boolean;
 	sidebarHidden: boolean;
 	autoHideMenuBar: boolean;
@@ -150,10 +149,6 @@ const schema: {[Key in keyof StoreType]: Store.Schema} = {
 		enum: ['native', 'facebook-3-0', 'messenger-1-0', 'facebook-2-2'],
 		default: 'facebook-3-0'
 	},
-	confirmImagePaste: {
-		type: 'boolean',
-		default: true
-	},
 	useWorkChat: {
 		type: 'boolean',
 		default: false