Revert "some more linux dependencies for pyqt5.15+"

This reverts commit 263d42e.

Author: altendky

.github/workflows/ci.yml

@@ -106,7 +106,6 @@ jobs:
         run: |
           apt-get update --yes
           apt-get install --yes libgl1
-          apt-get install --yes libdbus-1-3 libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0
       - name: Install
         run: |
           pip install tox