Change broker exchanges

feudal/backend/models/brokers.py

@@ -16,9 +16,9 @@ RABBITMQ_CONNECTION = None
 
 def exchanges_default():
     return [
+        'entitlements',
         'groups',
         'users',
-        'sites',
         'services',
     ]
 
@@ -166,13 +166,6 @@ class RabbitMQInstance(SingletonModel):
             msg,
         )
 
-    def publish_by_site(self, site, msg):
-        self._publish(
-            'sites',
-            site.name,
-            msg,
-        )
-
     def publish_to_user(self, user, msg):
         self._publish(
             'users',