Removal of second comma

Change-Id: I224225e1b3f0c6c9a78144922596c897474c8d50
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1063281
Signed-off-by: Vinzenz Feenstra <vfeenstr@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/27174
Reviewed-by: Francesco Romani <fromani@redhat.com>
Reviewed-by: Kiril Nesenko <knesenko@redhat.com>
Tested-by: Kiril Nesenko <knesenko@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>