Remove superfluous ci step (#174)

for pip update and installation of extra dependencies

Author: white-gecko

.github/workflows/ci.yaml

@@ -19,11 +19,6 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install urllib3==1.25.11 wheel brotlipy coverage codecov
-
       - name: Install warcio
         run: python setup.py install