getRemoteUserFromKeyIdはもういらない

src/remote/activitypub/db-resolver.ts

@@ -1,11 +1,10 @@
 import * as mongo from 'mongodb';
 import config from '../../config';
-import User, { IUser, IRemoteUser } from '../../models/user';
+import User, { IUser } from '../../models/user';
 import Note, { INote } from '../../models/note';
 import { IObject, getApId } from './type';
 import * as escapeRegexp from 'escape-regexp';
 import MessagingMessage, { IMessagingMessage } from '../../models/messaging-message';
-import { toDbHost } from '../../misc/convert-host';
 
 export default class DbResolver {
 	constructor() {
@@ -54,23 +53,6 @@ export default class DbResolver {
 		return null;
 	}
 
-	public async getRemoteUserFromKeyId(keyId: string): Promise<IRemoteUser | null> {
-		let u: URL | null = null;
-		try {
-			u = new URL(keyId);
-		} catch {
-			return null;
-		}
-
-		const user = await User.findOne({
-			host: toDbHost(u.hostname),
-			'publicKey.id': keyId,
-			deletedAt: { $exists: false }
-		}) as IRemoteUser;
-
-		return user || null;
-	}
-
 	/**
 	 * AP Person => Misskey User in DB
 	 */