ci: simplify PR template to only PR Category section

Author: Ashutoshx7

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,15 +1,3 @@
-## Description
-
-<!--- Describe the changes introduced by this pull request. -->
-<!--- Explain what problem it solves or what feature/fix it adds. -->
-
-## Related Issue
-
-<!--- If this pull request is related to a specific issue, reference it here using #issue_number. -->
-<!--- For example, "Fixes #123" or "Addresses #456". -->
-
-This PR fixes #
-
 ## PR Category
 
 <!--- ⚠️ CI ENFORCED: You MUST check at least ONE category below or the CI will fail. -->
@@ -20,47 +8,3 @@ This PR fixes #
 -   [ ] ⚡ Performance — Improves performance (load time, memory, rendering, etc.)
 -   [ ] 🧪 Tests — Adds or updates test coverage
 -   [ ] 📝 Documentation — Updates to docs, comments, or README
-
-## Changes Made
-
-<!--- Provide a summary of the changes made in this pull request. -->
-<!--- Include any relevant technical details or architecture changes. -->
-
--   Change 1
--   Change 2
--   ...
-
-## Testing Performed
-
-<!--- Describe the testing that you have performed to validate these changes. -->
-<!--- Include information about test cases, testing environments, and results. -->
-
--   Tested feature X in scenario Y.
--   Ran unit tests for component Z.
--   Tested on browsers A, B, and C.
--   ...
-
-## Checklist
-
-<!--- Please check the boxes that apply to this pull request. -->
-<!--- You can add or remove items as needed. -->
-
--   [ ] I have tested these changes locally and they work as expected.
--   [ ] I have added/updated tests that prove the effectiveness of these changes.
--   [ ] I have updated the documentation to reflect these changes, if applicable.
--   [ ] I have followed the project's coding style guidelines.
--   [ ] I have run `npm run lint` and `npx prettier --check .` with no errors.
--   [ ] I have addressed the code review feedback from the previous submission, if applicable.
-
-## Additional Notes for Reviewers
-
-<!--- Provide any additional context or notes for the reviewers. -->
-<!--- This might include details about design decisions, potential concerns, or anything else relevant. -->
-
----
-
-Thank you for contributing to our project! We appreciate your help in improving it.
-
-📚 See [contributing instructions](https://github.com/sugarlabs/musicblocks/blob/master/README.md).
-
-🙋🏾🙋🏼 Questions: [Community Matrix Server](https://matrix.to/#/#sugar:matrix.org).