Switch list override to new syntax

Change-Id: If9e4dca1856757a680be53663c07379ba8c66750
diff --git a/classes/cluster/virtual-mcp11-aio/init.yml b/classes/cluster/virtual-mcp11-aio/init.yml
index 9e7f637..2ac8e6d 100755
--- a/classes/cluster/virtual-mcp11-aio/init.yml
+++ b/classes/cluster/virtual-mcp11-aio/init.yml
@@ -75,22 +75,22 @@
   nova:
     compute:
       cache:
-        members:
+        ~members:
         - host: ${_param:single_address}
           port: 11211
   cinder:
     volume:
       cache:
-        members:
+        ~members:
         - host: ${_param:single_address}
           port: 11211
   galera:
     master:
-      members:
+      ~members:
       - host: ${_param:single_address}
         port: 4567
   neutron:
     server:
       message_queue:
-        members:
+        ~members:
           - host: ${_param:single_address}
diff --git a/classes/cluster/virtual-mcp11-aio/openstack/init.yml b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
index 1f4d4e3..19d1aae 100755
--- a/classes/cluster/virtual-mcp11-aio/openstack/init.yml
+++ b/classes/cluster/virtual-mcp11-aio/openstack/init.yml
@@ -93,15 +93,11 @@
     glance_image_fedora_location: 'https://artifactory.mcp.mirantis.net/artifactory/test-images/Fedora-Cloud-Base-27-1.6.x86_64.qcow2'
   galera:
     master:
-      members: ~
       innodb_buffer_pool_size: 1024M
       max_connections: 1000
     slave:
       enabled: false
   neutron:
-    server:
-      message_queue:
-        members: ~
     gateway:
       agent_mode: dvr_snat
       dvr: True
@@ -112,14 +108,8 @@
         user: neutron
         password: ${_param:keystone_neutron_password}
         tenant: service
-      cache:
-        members: ~
     controller:
       vncproxy_url: http://${_param:single_address}:6080
-  cinder:
-    volume:
-      cache:
-        members: ~
   horizon:
     server:
       secure: False