delete comments that are no longer needed

Author: koron

.github/workflows/build-and-deploy.yml

@@ -84,8 +84,3 @@ jobs:
       - name: Deploy to Github Pages
         id: deployment
         uses: actions/deploy-pages@v4
-
-  # TODO: レポジトリ側の設定:
-  #
-  # * Actionsを使うこと
-  # * page write パーミッション