Update to newer sock shop manifests

sock-shop/components/user-svc.yaml

@@ -1,10 +1,10 @@
+---
 apiVersion: v1
 kind: Service
 metadata:
   name: user
   labels:
     name: user
-  namespace: sock-shop
 spec:
   ports:
     # the port that this service should serve on
@@ -12,3 +12,4 @@ spec:
     targetPort: 80
   selector:
     name: user
+