KubeDNS template should not suffix with .yml.j2

roles/kubernetes-apps/ansible/templates/kubedns-svc.yml.j2

@@ -0,0 +1,22 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: kube-dns
+  namespace: {{ system_namespace }}
+  labels:
+    k8s-app: kube-dns
+    kubernetes.io/cluster-service: "true"
+    addonmanager.kubernetes.io/mode: Reconcile
+    kubernetes.io/name: "KubeDNS"
+spec:
+  selector:
+    k8s-app: kube-dns
+  clusterIP: {{ skydns_server }}
+  ports:
+  - name: dns
+    port: 53
+    protocol: UDP
+  - name: dns-tcp
+    port: 53
+    protocol: TCP