Add gateway ingress, namespace in kustomization

deploy/base/kustomization.yaml

@@ -2,5 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  - namespace.yaml
   - configmap-common.yaml

deploy/base/namespace.yaml

@@ -1,6 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: cloud-services
-  labels:
-    app.kubernetes.io/part-of: cloud-platform