Merge pull request #489 from neuromatch/staging

Remove unnecessary gh-pages branch checkout before pushing

Author: iamzoltan

.github/workflows/publish-book.yml

@@ -85,7 +85,6 @@ jobs:
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           ghp-import -n -c "neuroai.neuromatch.io" -m "Update course book" book/_build/html
-          git checkout -f gh-pages
 
       - name: Publish to gh-pages
         uses: ad-m/github-push-action@v0.6.0