delete erroneous file

.github/workflows/gh-pages.yml

@@ -1,30 +0,0 @@
-name: github pages
-
-on:
-  push:
-    branches:
-      - main # Set a branch to deploy
-
-jobs:
-  deploy:
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: true # Fetch Hugo themes (true OR recursive)
-          fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod
-
-      - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v2
-        with:
-          hugo-version: "latest"
-          # extended: true
-
-      - name: Build
-        run: hugo --minify
-
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./public