kickstart: drop dependencies

jboss-as is not needed anymore since ovirt-engine-jboss-as exists.
Other dependencies are automatically pulled in.

Change-Id: Ib460c33b6dfca61cef55ce315ec3f07133814f77
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
(cherry picked from commit 4558beaac38ca1cdcd626227d2767df78f499ed4)