removed some useless fluff from the pr checklist

Author: shubhamrai1993

.github/PULL_REQUEST_TEMPLATE.md

@@ -19,9 +19,7 @@ Please describe the tests that you ran to verify your changes.
 
 ## Checklist:
 - [ ] I have performed a self-review of my own code
-- [ ] I have commented my code, particularly in hard-to-understand areas
 - [ ] I have made corresponding changes to the documentation
-- [ ] My changes generate no new warnings
 - [ ] I have added tests that prove my fix is effective or that my feature works
 - [ ] New and existing unit tests pass locally with my changes 
 - [ ] A PR is open to update the helm chart (link)[https://github.com/truefoundry/elasti/tree/main/charts/elasti] if applicable