ad28589 Replica inst. fix: do not require -r, -a, -p options in unattended mode

Authored and Committed by mbasti 8 years ago
    Replica inst. fix: do not require -r, -a, -p options in unattended mode
    
    Previous patches for this ticket introduced error, that replica install
    requires to specify -r, -p and -a option in unattended mode.
    This options are not needed on replica side.
    
    https://fedorahosted.org/freeipa/ticket/4517
    
    Reviewed-By: Milan KubĂ­k <mkubik@redhat.com>