Remove needless properties

src/client/app/mios.ts

@@ -537,7 +537,9 @@ export default class MiOS extends EventEmitter {
 			// forceが有効, meta情報を保持していない or 期限切れ
 			if (force || this.meta == null || Date.now() - this.meta.chachedAt.getTime() > expire) {
 				this.isMetaFetching = true;
-				const meta = await this.api('meta');
+				const meta = await this.api('meta', {
+					detail: false
+				});
 				this.meta = {
 					data: meta,
 					chachedAt: new Date()

src/server/api/endpoints/meta.ts

@@ -29,7 +29,11 @@ export const meta = {
 export default define(meta, (ps, me) => new Promise(async (res, rej) => {
 	const met: any = (await Meta.findOne()) || {};
 
-	const emojis = await Emoji.find({ host: null });
+	const emojis = await Emoji.find({ host: null }, {
+		fields: {
+			_id: false
+		}
+	});
 
 	res({
 		maintainer: config.maintainer,