Update 1-Authentication/5-sign-in-express/README.md

Co-authored-by: Chris Werner <[email protected]>

Author: kengaderdus

1-Authentication/5-sign-in-express/README.md

@@ -62,7 +62,6 @@ This sample demonstrates how to sign users into a sample Node.js & Express web a
 
 * You must install [Node.js](https://nodejs.org/en/download/) in your computer to run this sample.
 * We recommend [Visual Studio Code](https://code.visualstudio.com/download) for running and editing this sample.
-* An **Azure AD for Customers** tenant. For more information, see: [How to get an Azure AD for customers tenant](https://github.com/microsoft/entra-previews/blob/PP2/docs/1-Create-a-CIAM-tenant.md)
 * Microsoft Entra ID for customers tenant. If you don't already have one, [sign up for a free trial](https://aka.ms/ciam-free-trial).
 * If you'd like to use Azure services, such as hosting your app in Azure App Service, [VS Code Azure Tools](https://marketplace.visualstudio.com/items?itemName=ms-vscode.vscode-node-azure-pack) extension is recommended for interacting with Azure through VS Code Interface.