Just *always* expect a welcome tour now
    
    Plasma 5.27.1 is going all the way back to F36 (in
    FEDORA-2023-d7dcc38129), so we'll have a welcome tour on both
    desktops we actually test on, on all supported releases. So we
    can just drop the desktop conditional entirely here now.
    
    Signed-off-by: Adam Williamson <awilliam@redhat.com>