Reduce noise from PR templates further

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,8 +3,7 @@
 <!-- Provide a short summary of what this PR does and why. Usually, the relevant context should be present in a linked issue. -->
 
 <!-- Uncomment this section with the issue number if an issue is being resolved
-**Issue resolved by this Pull Request:**
-Closes #
+**Issue resolved by this Pull Request:** Closes #
 --->
 
 
@@ -16,18 +15,16 @@ Please describe:
  - provide instructions so it can be reproduced.
 -->
 
-
+<!--
 ## Sources
 
-<!-- Please link relevant resources if necessary. -->
+Please link relevant resources if necessary. 
 
+-->
 
-## Before submitting
+<!--
+## Documentation
 
-- [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
-- [ ] Ran pre-commit to handle lint / formatting issues.
-- [ ] Read the [contributor guideline](https://github.com/meta-llama/llama-stack/blob/main/CONTRIBUTING.md),
-      Pull Request section?
-- [ ] Updated relevant documentation.
-- [ ] Wrote necessary unit or integration tests.
 - [ ] Added a [Changelog](https://github.com/meta-llama/llama-stack/blob/main/CHANGELOG.md) entry if the change is significant (new feature, breaking change etc.).
+
+-->