Remove duplicate release-pdf workflow

.github/workflows/release-pdf.yml

@@ -1,53 +0,0 @@
-name: Build PDF on Release
-
-on:
-  push:
-    tags:
-      - 'v*'
-  workflow_dispatch:
-
-permissions:
-  contents: write
-
-jobs:
-  build-pdf:
-    name: Generate PDF
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v6
-
-      - name: Install Chromium and CJK fonts
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y chromium-browser fonts-noto-cjk fonts-noto-cjk-extra
-
-      - name: Install mdpress (latest)
-        run: |
-          LATEST_TAG=$(curl -fsSL -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{ github.token }}" https://api.github.com/repos/yeasy/mdpress/releases/latest | jq -r .tag_name)
-          VERSION="${LATEST_TAG#v}"
-          echo "Installing mdpress $VERSION"
-          curl -fsSL "https://github.com/yeasy/mdPress/releases/download/$LATEST_TAG/mdpress_${VERSION}_linux_amd64.tar.gz" -o mdpress.tar.gz
-          tar xzf mdpress.tar.gz
-          sudo mv mdpress /usr/local/bin/
-          mdpress --version
-
-      - name: Extract tag name
-        id: tag
-        run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
-
-      - name: Build PDF
-        run: mdpress build --format pdf --output docker_practice-${{ steps.tag.outputs.TAG_NAME || 'latest' }}.pdf
-
-      - name: Create Release and upload PDF
-        if: startsWith(github.ref, 'refs/tags/')
-        uses: softprops/action-gh-release@v2
-        with:
-          generate_release_notes: true
-          files: docker_practice-${{ steps.tag.outputs.TAG_NAME }}.pdf
-
-      - name: Upload PDF as artifact
-        uses: actions/upload-artifact@v7
-        with:
-          name: docker_practice-pdf
-          path: "docker_practice-*.pdf"