Remove redundant Node.js setup and build steps from Docker workflow

.github/workflows/build-and-publish-image.yml

@@ -26,21 +26,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
 
-      - name: Set up Node.js
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
-        with:
-          node-version-file: '.nvmrc'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Build packages
-        run: npm run build:packages
-
-      - name: Prepare package artifacts
-        run: npm run prepare:package
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3