Merge pull request #232446 from cynthn/patch-59

[Doc-a-thon] application-gateway/ingress-controller-install-existing.md

Author: Court72

articles/application-gateway/ingress-controller-install-existing.md

@@ -207,10 +207,7 @@ In the first few steps, we install Helm's Tiller on your Kubernetes cluster. Use
     ```
 
 1. Edit helm-config.yaml and fill in the values for `appgw` and `armAuth`.
-    ```bash
-    nano helm-config.yaml
-    ```
-
+  
     > [!NOTE] 
     > The `<identity-resource-id>` and `<identity-client-id>` are the properties of the Azure AD Identity you setup in the previous section. You can retrieve this information by running the following command: `az identity show -g <resourcegroup> -n <identity-name>`, where `<resourcegroup>` is the resource group in which the top level AKS cluster object, Application Gateway and Managed Identify are deployed.