Hack to avoid F33 KDE image using Wayland (#1960458)
    
    This is a bit ugly but offhand can't think of a better way. We
    are dropping plasma-workspace-wayland from the F33 KDE image to
    try and avoid it using Plasma-on-Wayland as the default session,
    which is #1960458.
    
    Signed-off-by: Adam Williamson <awilliam@redhat.com>