packaging: setup: drop check on engine-notifierd

engine-notifierd has been renamed to ovirt-engine-notifier
in oVirt 3.3. Since 3.5 support upgrade only from 3.4 we
don't need to check it anymore.

Change-Id: I79b4b9bf369742e941239cc2b2d5bfee72345ecc
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>