docs(changelog): fix error in changelog

Author: FlorentinTh

CHANGELOG.md

@@ -4,9 +4,6 @@ All notable changes to this project will be documented in this file. See [standa
 
 ### [1.2.8](https://github.com/FlorentinTh/LE2ML-GUI/compare/v1.2.7...v1.2.8) (2022-03-04)
 
-### [1.2.7](https://github.com/FlorentinTh/LE2ML-GUI/compare/v1.2.6...v1.2.7) (2022-03-04)
-
-
 ### Chore
 
 * **deps:** fix mistakenly removed node-sass dependency ([b07c146](https://github.com/FlorentinTh/LE2ML-GUI/commit/b07c14668b78c6d8eb49445ffa09196260020deb))