Update README.md - remove link to unmonitored feedback repo (#34447)

Author: tynevi

README.md

@@ -2,8 +2,6 @@
 
 This repository contains the [ASP.NET Core documentation](https://learn.microsoft.com/aspnet/core/introduction-to-aspnet-core). See the [Contributing Guide](CONTRIBUTING.md) and the [issues list](https://github.com/dotnet/AspNetCore.Docs/issues) if you would like to help.
 
-To provide comments and suggestions on [learn.microsoft.com](https://learn.microsoft.com) site functionality, open an issue in the [`MicrosoftDocs/feedback` GitHub repository](https://github.com/MicrosoftDocs/feedback).
-
 ASP.NET 4.x documentation changes are made in the [`dotnet/AspNetDocs` GitHub repository](https://github.com/dotnet/AspNetDocs).
 
 ## How to open an issue