Clean up virtual-mcp11-k8s-calico/stacklight

Change-Id: Iaecaf8edee76c5d8e57ec76f22aa5b0e14e46624
diff --git a/classes/cluster/virtual-mcp11-k8s-calico/stacklight/server.yml b/classes/cluster/virtual-mcp11-k8s-calico/stacklight/server.yml
index ef47ea4..defd687 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico/stacklight/server.yml
@@ -54,11 +54,9 @@
     # Galera
     openstack_version: newton
     # Grafana
-    docker_grafana_replicas: 1
     grafana_database_type: mysql
     grafana_database_host: ${_param:cluster_vip_address}
     grafana_database_password: ${_param:mysql_grafana_password}
-    grafana_database_type: mysql
     influxdb_port: 8086
     influxdb_admin_password: password
     influxdb_stacklight_password: lmapass