ci: fix fork preview

.github/workflows/preview.yaml

@@ -1,46 +0,0 @@
-name: Build Preview Deployment
-
-on:
-  pull_request:
-    types: [opened, synchronize]
-  workflow_dispatch:
-
-jobs:
-  build-preview:
-    if: ${{ github.repository == 'jackyzha0/quartz' }}
-    runs-on: ubuntu-latest
-    name: Build Preview
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Setup Node
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-
-      - name: Cache dependencies
-        uses: actions/cache@v4
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-node-
-
-      - run: npm ci
-
-      - name: Check types and style
-        run: npm run check
-
-      - name: Build Quartz
-        run: npx quartz build -d docs -v
-
-      - name: Publish to Cloudflare Pages
-        uses: AdrianGonz97/refined-cf-pages-action@v1
-        with:
-          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
-          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
-          githubToken: ${{ secrets.GITHUB_TOKEN }}
-          projectName: quartz
-          directory: public