fix the duplicate entry of rabbitmq_refresh

playbooks/roles/launch_ec2/tasks/main.yml

@@ -54,11 +54,7 @@
     wait: True
     region: "{{ region }}"
     instance_tags: "{{ instance_tags }}"
-    volumes:
-      - device_name: /dev/sda
-        volume_type: gp2
-        volume_size: "{{ root_ebs_size }}"
-        delete_on_termination: true
+    #volumes:
       # - device_name: /dev/sda1
       #   volume_type: gp2
       #   volume_size: "{{ root_ebs_size }}"