Remove skip install for hwvtepsouthbound and southbound karaf

Not sure why the ovsdb-verify job didn't catch this but we do need to
at least install the karaf distro after all for integrationtests that
need them. Deploy is still unnecessary.

Change-Id: If9fe6346c351a1bd4d875848240129da253535cc
Signed-off-by: Thanh Ha <thanh.ha@linuxfoundation.org>