* refactor: use x11_util::IsX11() in BuildSubmenuFromModel()
* refactor: use x11_util::IsX11() in ElectronDesktopWindowTreeHostLinux::OnBoundsChanged()
* refactor: use skia_can_fall_back_to_x11 in x11_util::IsX11()
it is identical in practice to electron_can_call_x11 and does not require a Chromium patch
* chore: remove introduce_ozoneplatform_electron_can_call_x11_property.patch
* refactor: use ui::GetOzonePlatformId() to test for x11
