Update CHANGELOG.md

Author: ramsessanchez

CHANGELOG.md

@@ -15,21 +15,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Ruby JSON serialization 
-- Ruby HTTP service 
-- Go generation support & abstractions 
 - Workflow for Maven preview and GitHub Release
 - Workflow for build validation
 - Proper handling for InterruptedException
 
 ### Changed
 
-- Fixed a bug where raw collections requests would not be supported 
-- Fixes a bug where in memory backing store would not return changed properties to null 
-- Fixes a bug where generated models would be tied to a specific backing store implementation 
-- Fixed a bug where inline double defintion would make code dom generation fail
-- Revamped authentication provider interface to allow multiple authentication schemes
-- Fixed a bug preventing from using request builders with raw URls
 - Casing fixed for Odata type parsing
 - Removed .azure-pipelines/**