Remove python install

Author: whoseoyster

.github/workflows/docs.yml

@@ -14,10 +14,6 @@ jobs:
     - uses: actions/checkout@v1
     # https://github.com/marketplace/actions/setup-python
     # ^-- This gives info on matrix testing.
-    - name: Install Python
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.8
     - uses: ammaraskar/sphinx-action@master
       with:
         pre-build-command: "pip install -e ."