Remove extra text from changelog

Author: Daniel15

CHANGELOG.md

@@ -7,13 +7,6 @@
 - 8f60fbf: Enable async tranformers in test utils.
   All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-## [Unreleased]
-
-<!-- Add new changes here -->
-
 ## [17.1.1] 2024-10-31
 
 ### Fixed