Remove unnecessary installation in CI (#1358)

Author: alex

.github/workflows/ci.yml

@@ -55,7 +55,7 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
-      - run: python -m pip install tox coverage
+      - run: python -m pip install tox
       - run: tox -v
         env:
           TOXENV: ${{ matrix.PYTHON.TOXENV }}