That's how I interpreted it too. Although personally I think all that should be done in the development stage. I prefer to only approve pull requests once they'

That's how I interpreted it too. Although personally I think all that should be done in the development stage. I prefer to only approve pull requests once they're ready to be merged. It helps avoid the possibility that some of your "cleanup" accidentally introduced changes in behaviour. Also, a clean pull request is easier to review.