Temp remove the cname until dns is resolved

Author: ehsanmok

.github/workflows/gh-pages.yml

@@ -55,5 +55,4 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_branch: gh-pages
           publish_dir: ./book/html
-          cname: puzzles.modular.com
           allow_empty_commit: true