Get rid of the Grafana Docker service definitively

Change-Id: I1bec72db2633ef666f730a50f379a1221dd25856
diff --git a/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml b/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml
index 6f944b7..586993b 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml
@@ -23,7 +23,7 @@
 - system.prometheus.server.target.kubernetes
 - system.prometheus.server.target.dns
 - system.docker.swarm.stack.monitoring
-- system.docker.swarm.service.dashboard.grafana_server
+- system.docker.swarm.stack.dashboard
 - cluster.virtual-mcp11-k8s-calico-dyn
 parameters:
   _param: