Revert "Add image url check when set image"
Revert "Add image url check when set image"

dreampiggy/SDWebImage,iheartradio/SDWebImage,awkward/SDWebImage,tualatrix/SDWebImage,awkward/SDWebImage,dreampiggy/SDWebImage,awkward/SDWebImage,zhang-yawei/SDWebImage,rs/SDWebImage,dreampiggy/SDWebImage