Use prometheus_global for the SL2 deployments

We should use global mode for Prometheus running in
docker swarm as a default one, as its benefical.

Change-Id: I976a0ab22fa6af321fc0eba8b6083ff5a24167bb
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 a1bcd3d..f17b9bb 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-dyn/stacklight/server.yml
@@ -18,7 +18,7 @@
 - system.telegraf.agent.remote
 - system.prometheus.server.alertmanager.dns
 - system.prometheus.server.target.dns
-- system.docker.swarm.stack.monitoring
+- system.docker.swarm.stack.monitoring.prometheus_global
 - system.docker.swarm.stack.dashboard
 - cluster.virtual-mcp11-k8s-calico-dyn
 parameters: