Simplify PR template

.github/pull_request_template.md

@@ -4,22 +4,10 @@ Give a brief description of the changes in this PR. If this relates to a bug or
 
 <!-- Link with "Closes #ISSUE-NUMBER" -->
 
-## Type of Changes
-
-- [ ] Bug Fix
-- [ ] New Feature
-- [ ] Documentation Update
-
 ## Checklist
 
-- [ ] I have added tests that prove my fix is effective or that my feature works
-- [ ] I have added necessary documentation
-
-## Breaking Changes
-
-In general avoid breaking changes, but if you think it is necessary give your reasoning in the _Further Comments_ section.
-
-- [ ] I have not introduced breaking changes
+- [ ] I have added or adjusted tests that prove my fix is effective or that my feature works
+- [ ] I have added or adjusted documentation
 
 ## Further Comments