Remove changeset requirement from PR template

- Remove the changeset checklist item from PR template as requested
- Contributors no longer need to create changesets for PRs
- Automated changeset workflows remain in place for version management

Author: cursoragent

.github/pull_request_template.md

@@ -60,7 +60,6 @@ Detail the steps to test your changes. This helps reviewers verify your work.
     - [ ] The application builds successfully with my changes.
 - [ ] **Branch Hygiene**: My branch is up-to-date (rebased) with the `main` branch.
 - [ ] **Documentation Impact**: I have considered if my changes require documentation updates (see "Documentation Updates" section below).
-- [ ] **Changeset**: A changeset has been created using `npm run changeset` if this PR includes user-facing changes or dependency updates.
 - [ ] **Contribution Guidelines**: I have read and agree to the [Contributor Guidelines](/CONTRIBUTING.md).
 
 ### Screenshots / Videos