remove links to other clients

Each client should have its own default list of subs, creating its own userbase and culture. This way, they can be interoperable with other clients without contaminating their own environment.

public/translations/ja/default.json

@@ -122,7 +122,6 @@
   "invalid_url": "無効なURL",
   "no_link_provided": "リンクが指定されていません",
   "image_search": "画像検索",
-  "view_on": "で表示",
   "copy_link": "リンクをコピー",
   "hide_post": "投稿を非表示",
   "hide_thread": "スレッドを非表示",
@@ -131,7 +130,6 @@
   "search_image_on_google": "Google で画像を検索",
   "search_image_on_yandex": "Yandex で画像を検索",
   "search_image_on_saucenao": "SauceNAO で画像を検索",
-  "view_on_client": "{{client}} で表示",
   "expand_all_settings": "すべての設定を展開",
   "collapse_all_settings": "すべての設定を折りたたむ",
   "refresh": "更新",