perf(server): refactor and performance improvements

packages/backend/src/services/note/delete.ts

@@ -20,7 +20,7 @@ import { Brackets, In } from 'typeorm';
  * @param user 投稿者
  * @param note 投稿
  */
-export default async function(user: User, note: Note, quiet = false) {
+export default async function(user: { id: User['id']; uri: User['uri']; host: User['host']; }, note: Note, quiet = false) {
 	const deletedAt = new Date();
 
 	// この投稿を除く指定したユーザーによる指定したノートのリノートが存在しないとき
@@ -131,7 +131,7 @@ async function getMentionedRemoteUsers(note: Note) {
 	}) as IRemoteUser[];
 }
 
-async function deliverToConcerned(user: ILocalUser, note: Note, content: any) {
+async function deliverToConcerned(user: { id: ILocalUser['id']; host: null; }, note: Note, content: any) {
 	deliverToFollowers(user, content);
 	deliverToRelays(user, content);
 	const remoteUsers = await getMentionedRemoteUsers(note);