Change language opt-out to language opt-in (#7823)

* Switch filtered_languages to chosen_languages

* Adjust interface

* Remove unused translations

config/locales/simple_form.en.yml

@@ -24,7 +24,7 @@ en:
       sessions:
         otp: 'Enter the two-factor code generated by your phone app or use one of your recovery codes:'
       user:
-        filtered_languages: Checked languages will be filtered from public timelines for you
+        chosen_languages: Only toots in selected languages will be displayed in public timelines. Select nothing to see toots in all languages
     labels:
       account:
         fields:
@@ -34,6 +34,7 @@ en:
         autofollow: Invite to follow your account
         avatar: Avatar
         bot: This is a bot account
+        chosen_languages: Filter languages
         confirm_new_password: Confirm new password
         confirm_password: Confirm password
         current_password: Current password
@@ -42,9 +43,8 @@ en:
         email: E-mail address
         expires_in: Expire after
         fields: Profile metadata
-        filtered_languages: Filtered languages
         header: Header
-        locale: Language
+        locale: Interface language
         locked: Lock account
         max_uses: Max number of uses
         new_password: New password