refactor: refactoring imports

将来ESMに移行しやすいように
Related: #7658

なんかmochaが起動しなくなってるけど理由不明
すぐ直したい

src/remote/activitypub/kernel/delete/index.ts

@@ -1,7 +1,7 @@
-import deleteNote from './note';
-import { IRemoteUser } from '../../../../models/entities/user';
-import { IDelete, getApId, isTombstone, IObject, validPost, validActor } from '../../type';
-import { toSingle } from '../../../../prelude/array';
+import deleteNote from './note.js';
+import { IRemoteUser } from '@/models/entities/user.js';
+import { IDelete, getApId, isTombstone, IObject, validPost, validActor } from '../../type.js';
+import { toSingle } from '../../../../prelude/array.js';
 
 /**
  * 削除アクティビティを捌きます