kube-prometheus: Extract prometheus-operator jsonnet out of contrib

manifests/prometheus-serviceMonitorKubelet.yaml

@@ -8,6 +8,7 @@ metadata:
 spec:
   endpoints:
   - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+    honorLabels: true
     interval: 30s
     port: https-metrics
     scheme: https