CI: move target "build_nt4" to private gitlab runners
Fixes the mistake of 574fdfae that added "build_nt4" to the public runners.
Signed-off-by: Ralph Boehme slow@samba.org
Fixes the mistake of 574fdfae that added "build_nt4" to the public runners.
Signed-off-by: Ralph Boehme slow@samba.org