We can remove ad-hoc handling now that we rely on page refreshes in the card perma

Author: jorgemanrubia

app/models/card/eventable.rb

@@ -19,7 +19,6 @@ def event_was_created(event)
   def touch_last_active_at
     # Not using touch so that we can detect attribute change on callbacks
     update!(last_active_at: Time.current)
-    broadcast_activity
   end
 
   private
@@ -36,8 +35,4 @@ def track_title_change
     def create_system_comment_for(event)
       SystemCommenter.new(self, event).comment
     end
-
-    def broadcast_activity
-      broadcast_render_later_to self, :activity, partial: "card/display/refresh_activity", locals: { card: self }
-    end
 end