Moved flavour UI into own prefs tab

config/locales/en.yml

@@ -424,6 +424,7 @@ en:
     changes_saved_msg: Changes successfully saved!
     powered_by: powered by %{link}
     save_changes: Save changes
+    use_this: Use this
     validation_errors:
       one: Something isn't quite right yet! Please review the error below
       other: Something isn't quite right yet! Please review %{count} errors below
@@ -587,6 +588,7 @@ en:
     development: Development
     edit_profile: Edit profile
     export: Data export
+    flavours: Flavours
     followers: Authorized followers
     import: Import
     keyword_mutes: Muted keywords

config/locales/simple_form.en.yml

@@ -13,7 +13,6 @@ en:
         note:
           one: <span class="note-counter">1</span> character left
           other: <span class="note-counter">%{count}</span> characters left
-        setting_flavour: Affects how Mastodon looks when you're logged in from any device
         setting_noindex: Affects your public profile and status pages
         setting_skin: Reskins the selected Mastodon flavour
       imports:
@@ -47,7 +46,6 @@ en:
         setting_default_sensitive: Always mark media as sensitive
         setting_delete_modal: Show confirmation dialog before deleting a toot
         setting_favourite_modal: Show confirmation dialog before favouriting
-        setting_flavour: Flavour
         setting_noindex: Opt-out of search engine indexing
         setting_reduce_motion: Reduce motion in animations
         setting_skin: Skin