remove ns specifics for example

content/en/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md

@@ -119,7 +119,7 @@ kubectl run --generator=run-pod/v1 -it --rm load-generator --image=busybox /bin/
 
 Hit enter for command prompt
 
-while true; do wget -q -O- http://php-apache.default.svc.cluster.local; done
+while true; do wget -q -O- http://php-apache; done
 ```
 
 Within a minute or so, we should see the higher CPU load by executing:
@@ -203,7 +203,6 @@ apiVersion: autoscaling/v2beta2
 kind: HorizontalPodAutoscaler
 metadata:
   name: php-apache
-  namespace: default
 spec:
   scaleTargetRef:
     apiVersion: apps/v1
@@ -296,7 +295,6 @@ apiVersion: autoscaling/v2beta2
 kind: HorizontalPodAutoscaler
 metadata:
   name: php-apache
-  namespace: default
 spec:
   scaleTargetRef:
     apiVersion: apps/v1