delete unnecessary space and character (#14246)

content/en/docs/tasks/access-application-cluster/configure-access-multiple-clusters.md

@@ -266,8 +266,8 @@ export  KUBECONFIG_SAVED=$KUBECONFIG
 ```
 ### Windows PowerShell
 ```shell
- $Env:KUBECONFIG_SAVED=$ENV:KUBECONFIG
- ```
+$Env:KUBECONFIG_SAVED=$ENV:KUBECONFIG
+```
  The `KUBECONFIG` environment variable is a list of paths to configuration files. The list is
 colon-delimited for Linux and Mac, and semicolon-delimited for Windows. If you have
 a `KUBECONFIG` environment variable, familiarize yourself with the configuration files
@@ -344,7 +344,7 @@ export KUBECONFIG=$KUBECONFIG:$HOME/.kube/config
 ```
 ### Windows Powershell
 ```shell
- $Env:KUBECONFIG=($Env:KUBECONFIG;$HOME/.kube/config)
+$Env:KUBECONFIG=($Env:KUBECONFIG;$HOME/.kube/config)
 ```
 
 View configuration information merged from all the files that are now listed
@@ -363,7 +363,7 @@ export KUBECONFIG=$KUBECONFIG_SAVED
 ```
 Windows PowerShell
 ```shell
- $Env:KUBECONFIG=$ENV:KUBECONFIG_SAVED
+$Env:KUBECONFIG=$ENV:KUBECONFIG_SAVED
 ```
 
 {{% /capture %}}

content/en/docs/tasks/access-application-cluster/ingress-minikube.md

@@ -136,7 +136,6 @@ The following file is an Ingress resource that sends traffic to your Service via
 1. Create `example-ingress.yaml` from the following file:
 
     ```yaml
-        ---
     apiVersion: networking.k8s.io/v1beta1
     kind: Ingress
     metadata: