Following the removal of Flappy Bird from the App Store, some entrepreneurial iPhone owners have listed their phones -- with Flappy Birds installed -- on eBay. The listings have attracted attention from major media outlets, but eBay is actively canceling the listings because all smartphones and tablets sold on the auction site are required to be restored to factory settings. One user gave MacRumors the email that eBay sent him when it removed his listing. After reviewing your eBay acco