pip caching needs a requirements.txt file?

Signed-off-by: Eric Kerfoot <17726042+ericspod@users.noreply.github.com>

Author: ericspod

.github/workflows/setupapp.yml

@@ -126,7 +126,6 @@ jobs:
       uses: actions/setup-python@v6
       with:
         python-version: '3.10'
-        cache: pip
     - name: Install CPU PyTorch
       run: |
         python -m pip install torch==2.8.0 torchvision --extra-index-url https://download.pytorch.org/whl/cpu