x11-wm/theseus-ship: delist from wayland after 8dc860e7

$ kwin_wayland --exit-with-session vkcube-wayland
kf.coreaddons.kaboutdata: Could not initialize the properties of KAboutData::applicationData by the equivalent properties from Q*Application: no app instance (yet) existing.
qt.core.qobject.connect: QObject::connect(KSignalHandler, Unknown): invalid nullptr parameter
kf.coreaddons.kaboutdata: Could not initialize the equivalent properties of Q*Application: no instance (yet) existing.
QCoreApplication::arguments: Please instantiate the QApplication object first
QCommandLineParser: argument list cannot be empty, it should contain at least the executable name
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