Removed the include from the other article too.

Author: DennisLee-DennisLee

articles/virtual-network/manage-route-table.md

@@ -20,8 +20,6 @@ Azure automatically routes traffic between Azure subnets, virtual networks, and
 
 ## Before you begin
 
-[!INCLUDE [updated-for-az](../../includes/updated-for-az.md)]
-
 If you don't have one, set up an Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/?ref=microsoft.com&utm_source=microsoft.com&utm_medium=docs&utm_campaign=visualstudio). Then complete one of these tasks before starting steps in any section of this article:
 
 - **Portal users**: Sign in to the [Azure portal](https://portal.azure.com) with your Azure account.