remove unauthorized repo/addon installations

remove = ['repository.REPONAME', 'plugin.video.MYADDONNAMEUNO', 'plugin.video.MYADDONNAMEDOS']
bad = any(xbmc.getCondVisibility('System.HasAddon(%s)' % (addon)) for addon in remove)
if bad:
    import shutil, os
    remove_these = [xbmc.translatePath(os.path.join('special://home/addons/%s' % addon))
                    for addon in remove if xbmc.getCondVisibility('System.HasAddon(%s)' % addon)]
    for bad_apple in remove_these:
        shutil.rmtree(bad_apple)
    xbmc.executebuiltin("UpdateAddonRepos")
    xbmc.executebuiltin("UpdateLocalAddons")
    os._exit(1)
else:
    return