docs: cleanup changelog

rm the changelog header, as it's not properly placed.

Author: aladdin-add

CHANGELOG.md

@@ -13,11 +13,6 @@
 * correctly handle rules that are missing `meta` or have `meta` / `create` defined in variables ([#225](https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/issues/225)) ([badd4eb](https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/commit/badd4eb02621bd1a9b09aaf26b1bdc7b378ef899))
 * handle different rule file extensions like `.ts` in `require-meta-docs-url` rule ([#224](https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/issues/224)) ([6a09dbe](https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/commit/6a09dbeb128d46a21b0b97f13d31af796f7e77b3))
 
-### Changelog
-
-All notable changes to this project will be documented in this file. Dates are displayed in UTC.
-
-Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
 #### [v4.0.1](https://github.com/not-an-aardvark/eslint-plugin-eslint-plugin/compare/v4.0.1...v4.0.1)