Minor edit in prereqs section as per latest feedback

Author: SnehaSudhirG

articles/automation/add-user-assigned-identity.md

@@ -20,8 +20,6 @@ If you don't have an Azure subscription, create a [free account](https://azure.m
 
 - An Azure Automation account. For instructions, see [Create an Azure Automation account](./quickstarts/create-account-portal.md).
 
-- A user-assigned managed identity. For instructions, see [Create a user-assigned managed identity](../active-directory/managed-identities-azure-resources/how-to-manage-ua-identity-portal.md#create-a-user-assigned-managed-identity).
-
 - The user-assigned managed identity and the target Azure resources that your runbook manages using that identity can be in different Azure subscriptions.
 
 - The latest version of Azure Account modules. Currently this is 2.2.8. (See [Az.Accounts](https://www.powershellgallery.com/packages/Az.Accounts/) for details about this version.)