3129b87 dsinstance: use keytab retrieval method from parent class

2 files Authored by mbabinsk 7 years ago, Committed by jcholast 7 years ago,
    dsinstance: use keytab retrieval method from parent class
    
    DS replica can now use remote API and ipa-getkeytab to create service
    principal and fetch the keytab in both domain levels. There is no need to use
    KDC installer to do it.
    
    https://fedorahosted.org/freeipa/ticket/6405
    
    Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>