Delete slack link, standardize on gitter (dotnet/coreclr#18644)

Contributes to https://github.com/dotnet/coreclr/issues/18643

Commit migrated from https://github.com/dotnet/coreclr/commit/c17e34f4120f551c70be88fef835abc7640a2e00

diff --git a/docs/coreclr/workflow/IssuesFeedbackEngagement.md b/docs/coreclr/workflow/IssuesFeedbackEngagement.md
index 4346ed9..4cd0845 100644 (file)
--- a/docs/coreclr/workflow/IssuesFeedbackEngagement.md
+++ b/docs/coreclr/workflow/IssuesFeedbackEngagement.md
@@ -20,7 +20,7 @@ in the [.NET Foundation forums](http://forums.dotnetfoundation.org/).
 
 For more real-time feedback you can also start a chat session by clicking on the icons below.  
 
-[![.NET Slack Status](https://aspnetcoreslack.herokuapp.com/badge.svg?2)](http://tattoocoder.com/aspnet-slack-sign-up/) [![Join the chat at https://gitter.im/dotnet/coreclr](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/dotnet/coreclr?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Join the chat at https://gitter.im/dotnet/coreclr](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/dotnet/coreclr?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
  
 ### Security issues