Remove Bitdeli as they announced Service Disruption
Remove Bitdeli as they announced Service Disruption

- http://blog.bitdeli.com/post/77717727361/on-githubs-image-proxy
CanvasPod/Canvas,xb123456456/Canvas,honglei619/Canvas,nullxw/Canvas,robert1202/Canvas,mjhassan/Canvas,DongBobo/IOS