Closes-Bug: #1381894
Issue: Live migration through openstack UI works, when the host is not a
FQDN, i.e only hostname and doesnt have domain name with it.
Openstack-ui picks the list the from the hostname.

Remove the fix for Centos.
As its not populating domain name properly.

Change-Id: Ic11584a0164582df15099e281d1f18f4822342ac
Merge "Closes-Bug: #1381894 Issue: Live migration through openstack UI works, when the host is not a FQDN, i.e only hostname and doesnt have domain name with it. Openstack-ui picks the list the from the hostname." into R2.0