Removed unnecessary comment in the user_secrets for ceph variable
Removed unnecessary comment in the user_secrets for ceph variable

Change-Id: Ic90431796f856907d528095f9d7921c916e4958b
Closes-Bug: #1504447
(cherry picked from commit cf55c3e5344af0614a8269f4b9ed0192f5f17f1f)

VaneCloud/openstack-ansible,yanyao/openstack-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment,VaneCloud/openstack-ansible,yanyao/openstack-deployment,yanyao/openstack-deployment