remove depenecy install from tests

.gitea/workflows/tests.yml

@@ -17,12 +17,6 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-    
-    - name: Install system dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y libgl1-mesa-glx xvfb libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0
-    
     - name: Install Python dependencies
       run: |
         python -m pip install --upgrade pip