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/network_plugin/contiv/templates/contiv-api-proxy.yml.j2

@@ -3,7 +3,7 @@ apiVersion: extensions/v1beta1
 kind: DaemonSet
 metadata:
   name: contiv-api-proxy
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     k8s-app: contiv-api-proxy
 spec:
@@ -12,7 +12,7 @@ spec:
   template:
     metadata:
       name: contiv-api-proxy
-      namespace: {{ system_namespace }}
+      namespace: kube-system
       labels:
         k8s-app: contiv-api-proxy
       annotations:

roles/network_plugin/contiv/templates/contiv-config.yml.j2

@@ -5,7 +5,7 @@ kind: ConfigMap
 apiVersion: v1
 metadata:
   name: contiv-config
-  namespace: {{ system_namespace }}
+  namespace: kube-system
 data:
   # The location of your cluster store. This is set to the
   # avdertise-client value below from the contiv-etcd service.

roles/network_plugin/contiv/templates/contiv-etcd-proxy.yml.j2

@@ -3,7 +3,7 @@ kind: DaemonSet
 apiVersion: extensions/v1beta1
 metadata:
   name: contiv-etcd-proxy
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     k8s-app: contiv-etcd-proxy
 spec:

roles/network_plugin/contiv/templates/contiv-etcd.yml.j2

@@ -3,7 +3,7 @@ kind: DaemonSet
 apiVersion: extensions/v1beta1
 metadata:
   name: contiv-etcd
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     k8s-app: contiv-etcd
 spec:

roles/network_plugin/contiv/templates/contiv-netmaster-clusterrole.yml.j2

@@ -2,7 +2,7 @@ kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1beta1
 metadata:
   name: contiv-netmaster
-  namespace: {{ system_namespace }}
+  namespace: kube-system
 rules:
   - apiGroups:
     - ""

roles/network_plugin/contiv/templates/contiv-netmaster-clusterrolebinding.yml.j2

@@ -9,4 +9,4 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: contiv-netmaster
-  namespace: {{ system_namespace }}
+  namespace: kube-system

roles/network_plugin/contiv/templates/contiv-netmaster-serviceaccount.yml.j2

@@ -2,6 +2,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: contiv-netmaster
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     kubernetes.io/cluster-service: "true"

roles/network_plugin/contiv/templates/contiv-netmaster.yml.j2

@@ -3,7 +3,7 @@ kind: DaemonSet
 apiVersion: extensions/v1beta1
 metadata:
   name: contiv-netmaster
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     k8s-app: contiv-netmaster
 spec:
@@ -12,7 +12,7 @@ spec:
   template:
     metadata:
       name: contiv-netmaster
-      namespace: {{ system_namespace }}
+      namespace: kube-system
       labels:
         k8s-app: contiv-netmaster
       annotations:

roles/network_plugin/contiv/templates/contiv-netplugin-clusterrole.yml.j2

@@ -2,7 +2,7 @@ kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1beta1
 metadata:
   name: contiv-netplugin
-  namespace: {{ system_namespace }}
+  namespace: kube-system
 rules:
   - apiGroups:
     - ""

roles/network_plugin/contiv/templates/contiv-netplugin-clusterrolebinding.yml.j2

@@ -9,4 +9,4 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: contiv-netplugin
-  namespace: {{ system_namespace }}
+  namespace: kube-system

roles/network_plugin/contiv/templates/contiv-netplugin-serviceaccount.yml.j2

@@ -2,6 +2,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: contiv-netplugin
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     kubernetes.io/cluster-service: "true"

roles/network_plugin/contiv/templates/contiv-netplugin.yml.j2

@@ -5,7 +5,7 @@ kind: DaemonSet
 apiVersion: extensions/v1beta1
 metadata:
   name: contiv-netplugin
-  namespace: {{ system_namespace }}
+  namespace: kube-system
   labels:
     k8s-app: contiv-netplugin
 spec: