Merge pull request #20564 from spurin/remove_ns_specifics-zh

ZH equivalent for PR20555

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

@@ -170,7 +170,7 @@ kubectl run -i --tty load-generator --image=busybox /bin/sh
 
 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
 ```
 
 <!--
@@ -295,7 +295,6 @@ apiVersion: autoscaling/v2beta2
 kind: HorizontalPodAutoscaler
 metadata:
   name: php-apache
-  namespace: default
 spec:
   scaleTargetRef:
     apiVersion: apps/v1
@@ -424,7 +423,6 @@ apiVersion: autoscaling/v2beta1
 kind: HorizontalPodAutoscaler
 metadata:
   name: php-apache
-  namespace: default
 spec:
   scaleTargetRef:
     apiVersion: apps/v1

content/zh/examples/application/hpa/php-apache.yaml

@@ -2,7 +2,6 @@ apiVersion: autoscaling/v1
 kind: HorizontalPodAutoscaler
 metadata:
   name: php-apache
-  namespace: default
 spec:
   scaleTargetRef:
     apiVersion: apps/v1