Stop templating kube-system namespace and creating it (#2545)

Kubernetes makes this namespace automatically, so there is
no need for kubespray to manage it.

roles/dnsmasq/templates/dnsmasq-clusterrolebinding.yml

@@ -3,11 +3,11 @@ kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1beta1
 metadata:
   name: dnsmasq
-  namespace: "{{ system_namespace }}"
+  namespace: "kube-system"
 subjects:
   - kind: ServiceAccount
     name: dnsmasq
-    namespace: "{{ system_namespace}}"
+    namespace: "kube-system"
 roleRef:
   kind: ClusterRole
   name: cluster-admin

roles/dnsmasq/templates/dnsmasq-deploy.yml

@@ -3,7 +3,7 @@ apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
   name: dnsmasq
-  namespace: "{{system_namespace}}"
+  namespace: "kube-system"
   labels:
     k8s-app: dnsmasq
     kubernetes.io/cluster-service: "true"

roles/dnsmasq/templates/dnsmasq-serviceaccount.yml

@@ -3,6 +3,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: dnsmasq
-  namespace: "{{ system_namespace }}"
+  namespace: "kube-system"
   labels:
     kubernetes.io/cluster-service: "true"

roles/dnsmasq/templates/dnsmasq-svc.yml

@@ -6,7 +6,7 @@ metadata:
     kubernetes.io/cluster-service: 'true'
     k8s-app: dnsmasq
   name: dnsmasq
-  namespace: {{system_namespace}}
+  namespace: kube-system
 spec:
   ports:
     - port: 53