Update frontend.yml

Remove debug annotation.

Author: jrosinsk

tests/resources/frontend-service.yml

@@ -2,8 +2,6 @@ apiVersion: v1
 kind: Service
 metadata:
   name: frontend
-  annotations:
-    service.beta.kubernetes.io/oci-load-balancer-shape: 400Mbps
 spec:
   selector:
     app: hello