remove unused function
remove unused function

internetarchive/brozzler,internetarchive/brozzler,internetarchive/umbra,nlevitt/brozzler,nlevitt/brozzler,internetarchive/brozzler,nlevitt/brozzler,internetarchive/brozzler,nlevitt/brozzler,vonrosen/umbra,nlevitt/brozzler,vonrosen/umbra