misc: remove GitHub deploy action

.github/workflows/deploy.yml

@@ -1,55 +0,0 @@
-name: deploy
-
-on:
-  pull_request:
-    branches: [master]
-  push:
-    branches: [master]
-
-jobs:
-  checks:
-    if: github.event_name != 'push'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14.x'
-      - name: Test Build
-        run: |
-          cd website
-          if [ -e yarn.lock ]; then
-          yarn install --frozen-lockfile
-          elif [ -e package-lock.json ]; then
-          npm ci
-          else
-          npm i
-          fi
-          npm run build
-  gh-release:
-    if: github.event_name != 'pull_request'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
-        with:
-          node-version: '14.x'
-      - uses: webfactory/ssh-agent@v0.5.0
-        with:
-          ssh-private-key: ${{ secrets.GH_PAGES_DEPLOY }}
-      - name: Deploy to GitHub Pages
-        env:
-          USE_SSH: true
-          GIT_USER: git
-        run: |
-          git config --global user.email "actions@github.com"
-          git config --global user.name "gh-actions"
-          cd website
-          if [ -e yarn.lock ]; then
-          yarn install --frozen-lockfile
-          elif [ -e package-lock.json ]; then
-          npm ci
-          else
-          npm i
-          fi
-          npm run deploy