Fix rabbitmq port on metadata

Update service level pillar structure for rabbitmq
message queue.

Change-Id: I69fcd323cca7575d498d4fcc31819d4dc1d326e9
Related-Prod: PROD-29357
diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index 45a7e83..d91492b 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -49,16 +49,14 @@
         endpoint_type: ${_param:keystone_barbican_endpoint_type}
       message_queue:
         engine: rabbitmq
+        port: 5672
         user: openstack
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
         members:
-        - host: ${_param:openstack_message_queue_node01_address}
-          port: 5672
-        - host: ${_param:openstack_message_queue_node02_address}
-          port: 5672
-        - host: ${_param:openstack_message_queue_node03_address}
-          port: 5672
+          - host: ${_param:openstack_message_queue_node01_address}
+          - host: ${_param:openstack_message_queue_node02_address}
+          - host: ${_param:openstack_message_queue_node03_address}
       cache:
         engine: memcached
         expiration_time: 600