update changelog

Author: LeroyR

CHANGELOG.md

@@ -12,6 +12,9 @@ All notable changes to this project will be documented in this file.
 
 ## Rulebook [Current Draft]
 
+* [#999](https://github.com/RoboCupAtHome/RuleBook/pull/999) Remove EGPSR
+  * Removed to fit new structure see `Remove Stage system`
+  * Final still uses EGPSR Task Rulings
 * [#997](https://github.com/RoboCupAtHome/RuleBook/pull/997): Removed QR codes from Rulebook.
   * Showing QR code is too unnatural.
   * added clarifications to natural alternative HRI (i.e. touchscreens)