Change keystone region to CustomRegion, remove freeipa from .env

Change-Id: If591d03ef7844f2fd89ead66cac0fa94618dbf68
Related-Prod: PROD-23724 (PROD:23724)
diff --git a/classes/cluster/virtual-mcp11-aio-ssl/.env b/classes/cluster/virtual-mcp11-aio-ssl/.env
index 662a299..9b00ffd 100644
--- a/classes/cluster/virtual-mcp11-aio-ssl/.env
+++ b/classes/cluster/virtual-mcp11-aio-ssl/.env
@@ -1 +1 @@
-FORMULAS_SALT_MASTER+=(java openssh ntp nginx collectd sensu heka sphinx mysql galera grafana libvirt rsyslog glusterfs xtrabackup freeipa prometheus telegraf elasticsearch kibana rundeck devops-portal libvirt rsyslog memcached rabbitmq apache keystone glance nova neutron cinder heat horizon ironic tftpd-hpa bind powerdns designate iptables runtest artifactory logrotate auditd openscap)
+FORMULAS_SALT_MASTER+=(java openssh ntp nginx collectd sensu heka sphinx mysql galera grafana libvirt rsyslog glusterfs xtrabackup prometheus telegraf elasticsearch kibana rundeck devops-portal libvirt rsyslog memcached rabbitmq apache keystone glance nova neutron cinder heat horizon ironic tftpd-hpa bind powerdns designate iptables runtest artifactory logrotate auditd openscap)