CI: remove unnecessary free disk space step

.github/workflows/pytest.yml

@@ -42,18 +42,6 @@ jobs:
         batch: [jvm, native, other-langs, niche, catch-all]
     steps:
       - uses: actions/checkout@v4
-      - name: Free disk space
-        if: runner.os == 'Linux'
-        run: |
-          df -h
-          sudo rm -rf /usr/local/lib/android
-          sudo rm -rf /usr/share/dotnet
-          sudo rm -rf /opt/ghc
-          sudo rm -rf /opt/hostedtoolcache
-          sudo apt-get clean
-          sudo apt-get autoremove -y
-          docker system prune -af || true
-          df -h
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
@@ -602,11 +590,6 @@ jobs:
           key: language-servers-${{ runner.os }}-${{ matrix.batch }}-v1
           restore-keys: |
             language-servers-${{ runner.os }}-${{ matrix.batch }}-
-      - name: Report free disk space
-        if: runner.os == 'Linux'
-        run: |
-          echo "Free disk space before tests:"
-          df -h
       - name: Compute marker expression for this batch
         id: markers
         shell: bash