remove some unused extensions from demo examples

examples/Components/Routes/TodoList/index.vue

@@ -71,20 +71,14 @@
 import Icon from 'Components/Icon'
 import { Editor } from 'tiptap'
 import {
-	BlockquoteNode,
-	BulletListNode,
 	CodeBlockNode,
 	HardBreakNode,
 	HeadingNode,
-	ListItemNode,
-	OrderedListNode,
 	TodoItemNode,
 	TodoListNode,
 	BoldMark,
 	CodeMark,
 	ItalicMark,
-	LinkMark,
-	HistoryExtension,
 } from 'tiptap-extensions'
 
 export default {
@@ -96,20 +90,14 @@ export default {
 		return {
 			customProp: 2,
 			extensions: [
-				new BlockquoteNode(),
-				new BulletListNode(),
 				new CodeBlockNode(),
 				new HardBreakNode(),
 				new HeadingNode({ maxLevel: 3 }),
-				new ListItemNode(),
-				new OrderedListNode(),
 				new TodoItemNode(),
 				new TodoListNode(),
 				new BoldMark(),
 				new CodeMark(),
 				new ItalicMark(),
-				new LinkMark(),
-				new HistoryExtension(),
 			],
 		}
 	},