chore: simplify PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,38 +1,3 @@
-## PR Checklist
+## What does this PR do?
 
-Please check if your PR fulfills the following requirements:
-
-- [ ] The commit message follows our guidelines: https://github.com/NanoForge-dev/Engine/blob/main/.github/CONTRIBUTING.md
-- [ ] Tests for the changes have been added (for bug fixes / features)
-- [ ] Docs have been added / updated (for bug fixes / features)
-
-## PR Type
-
-What kind of change does this PR introduce?
-
-<!-- Please check the one that applies to this PR using "x". -->
-
-- [ ] Bugfix
-- [ ] Feature
-- [ ] Code style update (formatting, local variables)
-- [ ] Refactoring (no functional changes, no api changes)
-- [ ] Build related changes
-- [ ] CI related changes
-- [ ] Other... Please describe:
-
-## What is the current behavior?
-
-<!-- Please describe the current behavior that you are modifying, or link to a relevant issue. -->
-
-Resolves #<!-- issue number -->
-
-## What is the new behavior?
-
-## Does this PR introduce a breaking change?
-
-- [ ] Yes
-- [ ] No
-
-<!-- If this PR contains a breaking change, please describe the impact and migration path for existing applications below. -->
-
-## Other information
+## How do you test this PR?