packaging: Don't show fence_kdump listener in summary

Don't show "Configuring fence_kdump listener" message in summary of
engine-setup, because listener is part of ovirt-engine setup (cannot
be enabled/disabled by user).

Change-Id: Ib31f1ff25ef406ccdf40e7ddcb4047984fef3ebd
Bug-Url: https://bugzilla.redhat.com/1114040
Signed-off-by: Martin Perina <mperina@redhat.com>