Finally, simplify the PR template, these are covered by CI stuff anyways [ci skip]

Author: Benjamin Bach

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,10 +6,8 @@
 
 If not all TODOs are marked, this PR is considered WIP (work in progress)
 
-- [ ] Have **tests** been written for the new code? If you're fixing a bug, write a regression test (or have a really good reason for not writing one... and I mean **really** good!)
 - [ ] Has documentation been written/updated?
 - [ ] Have you written release notes for the upcoming release?
-- [ ] New dependencies (if any) added to requirements file
 
 ## Reviewer guidance
 
@@ -19,6 +17,3 @@ If not all TODOs are marked, this PR is considered WIP (work in progress)
 
 List the issues solved or partly solved by the PR
 
-## Screenshots (if appropriate)
-
-*They're nice. :)*