Remove variables for rbmq volume

Change-Id: Ibf39da71cec5a100152fe4abb5a18cc8049d5d06

service/files/defaults.yaml

@@ -2,4 +2,3 @@ configs:
     rabbitmq_port: 5672
     rabbitmq_password: password
     rabbitmq_user: rabbitmq
-    rabbitmq_log_base: /var/log/ccp/rabbitmq

service/files/rabbitmq-env.conf.j2

@@ -1,2 +1,2 @@
 NODENAME=rabbitmq
-RABBITMQ_LOG_BASE={{ rabbitmq_log_base }}
+RABBITMQ_LOG_BASE=/var/log/ccp/rabbitmq

service/rabbitmq.yaml

@@ -10,12 +10,12 @@ service:
         liveness: "true"
       volumes:
       - name: rabbitmq-logs
-        path: "{{ rabbitmq_log_base }}"
+        path: "/var/log/ccp/rabbitmq"
         type: host
         readOnly: False
       pre:
         - name: chown-logs-dir
-          command: "sudo /bin/chown rabbitmq: {{ rabbitmq_log_base }}"
+          command: "sudo /bin/chown rabbitmq: /var/log/ccp/rabbitmq"
       daemon:
         files:
           - rabbitmq-conf