Removed unused ostatus, activitypub actions from service code

• Removed:
- unused ostatus, activitypub actions from service code

app/services/favourite_service.rb

@@ -29,10 +29,6 @@ class FavouriteService < BaseService
 
     if status.account.local?
       NotifyService.new.call(status.account, favourite)
-    elsif status.account.ostatus?
-      NotificationWorker.perform_async(build_xml(favourite), favourite.account_id, status.account_id)
-    elsif status.account.activitypub?
-      ActivityPub::DeliveryWorker.perform_async(build_json(favourite), favourite.account_id, status.account.inbox_url)
     end
   end
 
@@ -42,15 +38,4 @@ class FavouriteService < BaseService
     PotentialFriendshipTracker.record(account.id, status.account_id, :favourite)
   end
 
-  def build_json(favourite)
-    Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
-      favourite,
-      serializer: ActivityPub::LikeSerializer,
-      adapter: ActivityPub::Adapter
-    ).as_json).sign!(favourite.account))
-  end
-
-  def build_xml(favourite)
-    OStatus::AtomSerializer.render(OStatus::AtomSerializer.new.favourite_salmon(favourite))
-  end
 end