Remove redundant CHANGELOG.md (#13)

* Initial plan

* Remove redundant CHANGELOG.md and update README to reference GitHub releases

Co-authored-by: EndlessTrax <17141891+EndlessTrax@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: EndlessTrax <17141891+EndlessTrax@users.noreply.github.com>

Author: Copilot

CHANGELOG.md

@@ -180,9 +180,9 @@ When requesting a new snippet, please include:
 
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-## 📝 Changelog
+## 📝 Release Notes
 
-See [CHANGELOG.md](CHANGELOG.md) for a detailed version history.
+See [GitHub Releases](https://github.com/EndlessTrax/python-template-snippets/releases) for the detailed version history and changelog.
 
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