Fixed service principal text

Author: johnmarco

articles/openshift/create-cluster.md

@@ -245,8 +245,6 @@ az aro create \
 ## Before you begin
 Sign in to the [Azure portal](https://portal.azure.com). 
 
-Create a service principal, as explained in [Use the portal to create a Microsoft Entra application and service principal that can access resources](../active-directory/develop/howto-create-service-principal-portal.md). **Be sure to save the client ID and the appID.** 
-
 Register the `Microsoft.RedHatOpenShift` resource provider. For instructions on registering resource providers using Azure portal, see [Register resource provider](../azure-resource-manager/management/resource-providers-and-types.md#register-resource-provider).
 
 ## Create an Azure Red Hat OpenShift cluster