Merge pull request #652 from jstuever/azwidocupdate

NO-JIRA: azwi doc: apply webhook manifest to cluster

docs/azure_workload_identity.md

@@ -262,10 +262,10 @@ NOTE This is just for developers interested in taking an existing cluster to Azu
                                             --installation-resource-group-name "${AZURE_INSTALL_RG}"
    ```
 
-10. Enable the TechPreviewNoUpgrade featureset to allow usage of the Azure AD Workload Identity feature.
+10. Apply the azure pod identity webhook configuration.
 
    ```bash
-   oc patch featuregate cluster --patch '{"spec":{"featureSet":"TechPreviewNoUpgrade"}}' --type=merge
+   oc replace -f output_dir/manifests/azure-ad-pod-identity-webhook-config.yaml
    ```
 
 11. Apply Secrets generated by the creating managed identities.