fix jp sentence

packages/app/resource/locales/ja_JP/translation.json

@@ -261,7 +261,7 @@
   "in_app_notification": {
     "notification_list": "アプリ内通知一覧",
     "see_all": "通知一覧を見る",
-    "no_notification": "通知は一つもありません。",
+    "no_notification": "通知はありません",
     "all": "全て",
     "unopend": "未読",
     "mark_all_as_read": "全て既読にする"