Remove unneded artifacts entries
Remove unneded artifacts entries

object cahce is a thing of the past, remove these stale
entries.

Change-Id: I3d81196819c291364b7dad2d53431b8f0024516c
Signed-off-by: Robert Varga <91ae5aa8c7a9f7e57b701db766e23e544aaa6ae9@pantheon.tech>

opendaylight/yangtools,opendaylight/yangtools