Refuse PORT, HOST in /etc/openldap/ldap.conf
    
    OpenLDAP has deprecated PORT and HOST stanzes in ldap.conf. The presence
    of either option causes FreeIPA installation to fail. Refuse
    installation when a deprecated and unsupported option is present.
    
    Fixes: https://pagure.io/freeipa/issue/7418
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>