* remove jamtrack download ready notification

ruby/lib/jam_ruby/models/jam_track_right.rb

@@ -81,11 +81,7 @@ module JamRuby
       self.error_reason = nil
       self.error_detail = nil
       self.should_retry = false
-      if save
-        Notification.send_jam_track_sign_complete(self)
-      else
-        raise "Error sending notification #{self.errors}"
-      end
+      save!
     end
 
     # creates a short-lived URL that has access to the object.