jobs: start dropping fc19 support on master

oVirt 3.6 won't support fc19 anymore.

Change-Id: Iddc6583be5d6a813b8a355518728523528eab0b6
Related-To: http://lists.ovirt.org/pipermail/devel/2014-August/008519.html
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>