tmp: disable build cache

Author: mmcky

.github/workflows/ci.yml

@@ -28,12 +28,12 @@ jobs:
           name: build-cache
           path: _build
       # Build Assets (Download Notebooks and PDF via LaTeX)
-      - name: Build Download Notebooks (sphinx-tojupyter)
-        shell: bash -l {0}
-        run: |
-          jb build lectures -n -W --keep-going --path-output ./ --builder=custom --custom-builder=jupyter
-          mkdir -p _build/html/_notebooks
-          cp -u _build/jupyter/*.ipynb _build/html/_notebooks
+      # - name: Build Download Notebooks (sphinx-tojupyter)
+      #   shell: bash -l {0}
+      #   run: |
+      #     jb build lectures -n -W --keep-going --path-output ./ --builder=custom --custom-builder=jupyter
+      #     mkdir -p _build/html/_notebooks
+      #     cp -u _build/jupyter/*.ipynb _build/html/_notebooks
       - name: Upload Execution Reports (Download Notebooks)
         uses: actions/upload-artifact@v4
         if: failure()