avoid blanket override of namespace when kustomizing kueue

hack/kueue-config/kustomization.yaml

@@ -1,8 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
-namespace: kueue-system
-
 resources:
 - "https://github.com/kubernetes-sigs/kueue/config/default?ref=v0.8.3"
 
@@ -37,6 +35,7 @@ patches:
 - target:
     kind: Deployment
     name: controller-manager
+    namespace: kueue-system
   patch: |
     - op: add
       path: /spec/template/spec/containers/0/args/-