Removing vdsm-python-cpopen rpm creation from vdsm

In vdsm 4.13.2 we replaced the dependency of python-cpopen (commit
f3677ba1). Due to that change we are no longer required to provide
vdsm-python-cpopen as part of vdsm build. This patch removes all cpopen
related files from vdsm.

Change-Id: Ib21f293075a9d1464f7f6a08fd689c9fd76f33e8
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1063180
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/24360
Reviewed-by: Antoni Segura Puimedon <asegurap@redhat.com>
Reviewed-by: Kiril Nesenko <knesenko@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>