🧹 chore: Use simpler PR template (#220)

## Description
Use a simpler template

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,28 +1,2 @@
 ## Description
 <!-- Briefly describe the purpose and scope of your changes -->
-
-## Related Issues
-<!-- List any related issues (e.g., "Closes #123", "Fixes #456") -->
-
-## Type of Change
-
-- [ ] Bug fix (non-breaking change)
-- [ ] New feature (non-breaking change)
-- [ ] Breaking change (fix or feature that changes existing functionality)
-- [ ] Documentation update
-- [ ] Other (please describe):
-
-## Checklist
-
-- [ ] I have updated relevant documentation
-- [ ] My code follows the project's coding style
-- [ ] My changes generate no new warnings/errors
-
-## Notes for Reviewers
-<!-- Point out areas you'd like reviewers to focus on, questions you have, or decisions that need discussion -->
-
-## Screenshots/Demo
-<!-- If applicable, add screenshots or a GIF demo of your changes (especially for UI changes) -->
-
-## Additional Context
-<!-- Add any other context about the pull request here -->