Consolidate barbican_integration_enabled settings

barbican might be enabled in multiple openstack services
 * nova
 * glance
 * cinder

Instead of enabling it on cluster level, move this integration
to system. Use barbican_integration_enabled option for this.

Related-Prod: PROD-25026
Related-Prod: PROD-25025
Related-Prod: PROD-25023

(cherry picked from commit 1cc05dee1232165e5ee9f463302f8c43682de241)

Change-Id: Ifcb2c404d700232085ba983dbca3b41dcdaaa43e
diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index d80c7d0..6ef2274 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -1,5 +1,7 @@
 parameters:
   _param:
+    # Enable barbican integration in other services nova,glance,cinder
+    barbican_integration_enabled: False
     # SSL
     ceilometer_agent_ssl_enabled: False
     openstack_mysql_x509_enabled: False