refactor(editor): reduce dependency to doc collection (#9492)

blocksuite/framework/store/src/index.ts

@@ -1,7 +1,6 @@
 // oxlint-disable-next-line @typescript-eslint/triple-slash-reference
 /// <reference path="../shim.d.ts" />
 
-export type { Y };
 export * from './adapter/index.js';
 export * from './reactive/index.js';
 export * from './schema/index.js';
@@ -11,8 +10,6 @@ export { type IdGenerator, nanoid, uuidv4 } from './utils/id-generator.js';
 export * as Utils from './utils/utils.js';
 export * from './yjs/index.js';
 
-import type * as Y from 'yjs';
-
 const env =
   typeof globalThis !== 'undefined'
     ? globalThis