Removed the installation with the requirements.txt.

.github/workflows/test-project.yml

@@ -25,7 +25,6 @@ jobs:
         python -m pip install --upgrade pip
         pip install flake8 pytest
         pip install -e ./
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names