chore: Clean up CHANGELOG.md by removing outdated version entries

CHANGELOG.md

@@ -4,39 +4,4 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## 2.0.0 (2. April 2023)
-
-+ **Remove support for PHP 7.**
-+ Added support for PHP 8.0 - 8.2.
-+ Added phpstan, rector and php cs fixer as GitHub Action automation.
-+ Remove Travis, replaced with GitHub Actions
-
-## 1.3.0 (17. June 2019)
-
-+ [#7](https://github.com/nadar/php-composer-reader/issues/7) Added remove() method for require(-dev) and autoload(-dev) sections.
-+ [#6](https://github.com/nadar/php-composer-reader/issues/6) Added add() method for require and require-dev sections.
-+ Moved interfaces into interface folder.
-+ Added AutoloadDevSection
-+ Fixed bug in composer reader when file is unable to write.
-+ Remove unused Iterator object in section iterators.
-
-## 1.2.0 (30. April 2019)
-
-+ Added feature for whole section removal
-+ Added tests for php 7.3
-
-## 1.1.0 (21. December 2018)
-
-+ Add version constraint compare function.
-+ Add generic iterator class.
-+ Added require-dev section reader
-
-## 1.0.1 (24. September 2018)
-
-+ Add continuous testing integration.
-+ Added coverage integration
-+ Added basic phpdocs.
-
-## 1.0.0 (3. January 2018)
-
-+ First stable API release.
+[See the Changelog on GitHub Releases Page](https://github.com/nadar/php-composer-reader/releases)