Workaround for PROD-15850

Disable horizon plugin theme for virtual-mcp11-ovs model.

Change-Id: I53f37d732af602efdc4c7d674dd0401d34fe9f12
diff --git a/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml b/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml
index 0b4ed38..5729943 100644
--- a/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp11-dvr/openstack/dashboard.yml
@@ -4,7 +4,6 @@
 - system.linux.system.repo.mcp.extra
 - system.linux.system.repo.saltstack.xenial
 - system.horizon.server.single
-- system.horizon.server.plugin.theme
 - cluster.virtual-mcp11-dvr
 parameters:
   _param:
diff --git a/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml b/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml
index faeb96f..a9cbd60 100644
--- a/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml
+++ b/classes/cluster/virtual-mcp11-ovs/openstack/dashboard.yml
@@ -4,7 +4,6 @@
 - system.linux.system.repo.mcp.extra
 - system.linux.system.repo.saltstack.xenial
 - system.horizon.server.single
-- system.horizon.server.plugin.theme
 - cluster.virtual-mcp11-ovs
 parameters:
   _param: