Merge pull request #53858 from sajayantony/sajaya/helm2-no-portal

Additional info for helm2

Author: ktoliver

articles/container-registry/container-registry-helm-repos.md

@@ -27,6 +27,7 @@ You can use either Helm 3 or Helm 2 to host Helm charts in Azure Container Regis
 
 * For most scenarios, we recommend using the Helm 3 workflow with native `helm chart` commands to manage charts as OCI artifacts.
 * As of Helm 3, [az acr helm][az-acr-helm] commands are supported for compatibility with the Helm 2 client and chart format. Future development of these commands isn't currently planned. See the [product roadmap](https://github.com/Azure/acr/blob/master/docs/acr-roadmap.md#acr-helm-ga).
+* Helm 2 charts cannot be viewed or managed using the Azure portal.
 
 ## Use the Helm 3 client