Remove extra cast as round returns int if ndigits is omitted
Remove extra cast as round returns int if ndigits is omitted

thumbor/thumbor,gi11es/thumbor,scorphus/thumbor,gi11es/thumbor,scorphus/thumbor,scorphus/thumbor,kkopachev/thumbor,kkopachev/thumbor,scorphus/thumbor,thumbor/thumbor,thumbor/thumbor,kkopachev/thumbor,thumbor/thumbor,kkopachev/thumbor,gi11es/thumbor