Starting RHCS 5, there's no ISO available anymore.
This removes all ISO variables and the ceph_repository_type variable.
Closes: #6626
Signed-off-by: Dimitri Savineau <dsavinea@redhat.com>
RHCS install wasn't working at all prior to this commit as the name of
the include was pointing to a non-existing file.
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1492056
Signed-off-by: Sébastien Han <seb@redhat.com>