Remove icehouse compat checks from glance/keystoneclient

Both of these clients' version in master is beyond their corresponding
icehouse requirements version caps.  These jobs should be disabled since
those version constraints prevent icehouse from ever running with
the newest versions.

Change-Id: I9e290822ce08fb3621f513f47a19c79bf634fde3
Closes-bug: #1404083
Closes-bug: #1404081
Merge "Remove icehouse compat checks from glance/keystoneclient"