Former upgrade file always created the NIS Server container, that caused
the ipa-nis-manage did not set all required NIS maps. Default creation
of container has been removed.
Updating of NIS Server configuration and
NIS maps is done only if the NIS Server container exists.
https://fedorahosted.org/freeipa/ticket/5507
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>