mbgwp: remove the unused wordpress-external NodePort

It selected pods of the old mbgwp-helm release, so since the move to the official chart it had no endpoints and only held node port 30989 open.

mbgwp/local-svc.yaml

@@ -1,13 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: wordpress-external
-spec:
-  type: NodePort
-  ports:
-  - port: 8080                  # The port the service exposes internally
-    targetPort: 8080            # The port on the pods to which this service forwards traffic
-    nodePort: 30989           # The port on each node to access this service (must be between 30000-32767)
-  selector:
-    app.kubernetes.io/name: wordpress  # Selector to match your WordPress pods
-    app.kubernetes.io/instance: mbgwp-helm   # This might need adjustment based on your helm release