Update README.md (nginx#6870)

Remove email support

Author: danielnginx

README.md

@@ -175,8 +175,7 @@ docker buildx imagetools inspect nginx/nginx-ingress:edge --format '{{ json (ind
 ## Contacts
 
 We’d like to hear your feedback! If you have any suggestions or experience issues with our Ingress Controller, please
-create an issue or send a pull request on GitHub. You can contact us directly via
-[[email protected]](mailto:[email protected]) or on the [NGINX Community
+create an issue or send a pull request on GitHub. You can contact us directly via [NGINX Community
 Slack](https://nginxcommunity.slack.com/channels/nginx-ingress-controller).
 
 ## Contributing