message: pull_request_template(github): remove "misc" section
diff: @@ -12,11 +12,7 @@ please don't forget to click on raw, and copy that, not the already "compiled" o
  - Please have "Allow edits from maintainers" activated
  -->
  -## Misc
  -
  -- [ ] Is this a prototype? <!--Is this PR already finished or not yet ready?-->
  -- [ ] Written Tests for it? <!--Written Tests for this feature / fix? (only if needed)-->
  -- [ ] Already read & followed [CONTRIBUTING](https://github.com/typegoose/typegoose/tree/master/.github/CONTRIBUTING.md)?
  +<!--Write your PR description here (above "Related Issues")-->
  ## Related Issues
  