Remove ipapython/ipa.conf
    
    The file ipapython/ipa.conf is no longer used and not installed.
    
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Petr Spacek <pspacek@redhat.com>
    Reviewed-By: Jan Cholasta <jcholast@redhat.com>
    Reviewed-By: Martin Basti <mbasti@redhat.com>