Update python-app.yml

.github/workflows/python-app.yml

@@ -27,7 +27,6 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -e ./forcingprocessor
-        pip install -e ./subsetting
         pip install flake8 pytest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8