Do not wipe disks on OpenShift gluster nodes
Do not wipe disks on OpenShift gluster nodes

This operation is dangerous and should be done by the operator prior to
deploying openshift. We assume the disks are ready for glusterfs
installation.

Change-Id: I4bd05ee8db9ed944edd7942a1a7aef0de0ab07f0

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates