Update contributing.md (#7927)

Signed-off-by: Angie Jones <angie@Angies-MBP.lan>
Co-authored-by: Douwe Osinga <douwe@squareup.com>
Co-authored-by: Angie Jones <jones.angie@gmail.com>

.github/pull_request_template.md

@@ -1,23 +1,6 @@
 ## Summary
 <!-- Describe your change -->
 
-
-### Type of Change
-<!-- Select all that apply -->
-- [ ] Feature
-- [ ] Bug fix
-- [ ] Refactor / Code quality
-- [ ] Performance improvement
-- [ ] Documentation
-- [ ] Tests
-- [ ] Security fix
-- [ ] Build / Release
-- [ ] Other (specify below)
-
-### AI Assistance
-<!-- great that you got assistance 🔥, just check out the HOWTOAI guidance: https://github.com/block/goose/blob/main/HOWTOAI.md-->
-- [ ] This PR was created or reviewed with AI assistance
-
 ### Testing
 <!-- How have this change been tested? Unit/integration tests? Manual testing? -->