Remove unused translations in web UI (#12143)

app/javascript/mastodon/locales/zh-TW.json

@@ -178,7 +178,6 @@
   "home.column_settings.basic": "基本",
   "home.column_settings.show_reblogs": "顯示轉嘟",
   "home.column_settings.show_replies": "顯示回覆",
-  "home.column_settings.update_live": "Update in real-time",
   "intervals.full.days": "{number, plural, one {# 天} other {# 天}}",
   "intervals.full.hours": "{number, plural, one {# 小時} other {# 小時}}",
   "intervals.full.minutes": "{number, plural, one {# 分鐘} other {# 分鐘}}",
@@ -272,7 +271,6 @@
   "navigation_bar.preferences": "偏好設定",
   "navigation_bar.public_timeline": "聯邦時間軸",
   "navigation_bar.security": "安全性",
-  "notification.and_n_others": "and {count, plural, one {# other} other {# others}}",
   "notification.favourite": "{name} 把你的嘟文加入了最愛",
   "notification.follow": "{name} 關注了你",
   "notification.mention": "{name} 提到了你",