Remove old manifests and replace with jsonnet build

experimental/metrics-server/metrics-apiservice.yaml

@@ -0,0 +1,13 @@
+apiVersion: apiregistration.k8s.io/v1beta1
+kind: APIService
+metadata:
+  name: v1beta1.metrics.k8s.io
+spec:
+  service:
+    name: metrics-server
+    namespace: kube-system
+  group: metrics.k8s.io
+  version: v1beta1
+  insecureSkipTLSVerify: true
+  groupPriorityMinimum: 100
+  versionPriority: 100