Drop anaconda-webui from Workstation: Change was deferred
    
    The anaconda webui change was deferred to F41 by FESCo:
    https://bugzilla.redhat.com/show_bug.cgi?id=2231339#c6
    so we should drop the package.
    
    Signed-off-by: Adam Williamson <awilliam@redhat.com>