Drop downstream patch for nslookup/host rejected by upstream
    
    Upstream response:
    26337  nslookup fails to get answer from non-recursive auth server
    There has been a lot of email back and forth with Adam on this.
    We have decided we cannot accept it, we disagree on the appropriate DNS behavior.
    
    Signed-off-by: Tomas Hozza <thozza@redhat.com>