Support Grafana dashboards for Prometheus

Change-Id: I053e9d93f6feb2026e3fd63b4151d0907764cb92
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 0965a11..944de40 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -1,8 +1,6 @@
 applications:
 - kubernetes
-classes:
-- service.kubernetes.logging
 parameters:
   kubernetes:
     control:
-      enabled: true
\ No newline at end of file
+      enabled: true