Update README.md (#4794)

Author: esethna

README.md

@@ -1,10 +1,6 @@
 # :warning: Announcement: PLEASE READ :warning: 
 Focalboard Personal Server and Personal Desktop editions will transition to being fully community supported as of **April 30th, 2023**. This Focalboard repository will become the Personal Edition repository, and will remain open indefinitely. However, we won’t be adding any new enhancements, and will only address Sev-1 level bugs until April 30th, 2023.
 
-The Boards plugin version will be integrated into Mattermost as a core in-product feature, and will no longer be supported as a plugin as of release v7.11 (May 2023). The plugin code will be merged into the [Mattermost-server repository](https://github.com/mattermost/mattermost-server) where future enhancements will be added to moving forward. New pull requests and issues should be filed against https://github.com/mattermost/mattermost-server.
-
-Please see [this dicussion](https://github.com/mattermost/focalboard/discussions/4645) for more details.
-
 # Focalboard
 
 ![CI Status](https://github.com/mattermost/focalboard/actions/workflows/ci.yml/badge.svg)