Removed kube-system namespace.

cluster-config/namespaces.yaml

@@ -1,13 +1,5 @@
 apiVersion: v1
 kind: Namespace
-metadata:
-  name: kube-system
-  labels:
-    app: kube-system
-    control-plane: controller-manager
----
-apiVersion: v1
-kind: Namespace
 metadata:
   name: dev
   labels: