don't expose redis port

installer/roles/kubernetes/templates/deployment.yml.j2

@@ -264,10 +264,6 @@ spec:
           image: {{ kubernetes_redis_image }}:{{ kubernetes_redis_image_tag }}
           imagePullPolicy: Always
           args: ["redis-server", "{{ kubernetes_redis_config_mount_path }}"]
-          ports:
-            - name: redis
-              protocol: TCP
-              containerPort: 6379
           volumeMounts:
             - name: {{ kubernetes_deployment_name }}-redis-config
               mountPath: "{{ kubernetes_redis_config_mount_path }}"