Remove checklist but keep a note on the changelog

Author: norascheuch

.github/pull_request_template.md

@@ -5,8 +5,4 @@
 
 Replace this with a description of the changes your pull request makes.
 
-## Checklist
-
-- [ ] [CHANGELOG.md](https://github.com/github/vscode-codeql/blob/main/extensions/ql-vscode/CHANGELOG.md) has been updated to incorporate all user visible changes made by this pull request.
-- [ ] Issues have been created for any UI or other user-facing changes made by this pull request.
-- [ ] _[Maintainers only]_ If this pull request makes user-facing changes that require documentation changes, open a corresponding docs pull request in the [github/codeql](https://github.com/github/codeql/tree/main/docs/codeql/codeql-for-visual-studio-code) repo and add the `ready-for-doc-review` label there.
+Remember to update the [changelog](https://github.com/github/vscode-codeql/blob/main/extensions/ql-vscode/CHANGELOG.md) if there have been user-facing changes!