REFACTOR(goldilocks): use managedNsMeta for Goldil

- Remove namespace.yaml files
- Add managedNamespaceMetadata with Goldilocks label
- Set CreateNamespace=true in syncOptions
- Update kustomization.yaml to remove namespace.yaml references

homer/kustomization.yaml

@@ -1,14 +1,11 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
-
 resources:
-  - namespace.yaml
-  - deployment.yaml
-  - service.yaml
-  - ingress.yaml
-
+- deployment.yaml
+- service.yaml
+- ingress.yaml
 configMapGenerator:
-  - name: homer-config
-    namespace: homer
-    files:
-      - config.yml
+- name: homer-config
+  namespace: homer
+  files:
+  - config.yml