remove deprectated url_prefix method in ajax call
remove deprectated url_prefix method in ajax call

barseghyanartur/flower,marrybird/flower,lucius-feng/flower,Lingling7/flower,pj/flower,barseghyanartur/flower,ucb-bar/bar-crawl-web,raphaelmerx/flower,lucius-feng/flower,ChinaQuants/flower,asmodehn/flower,ucb-bar/bar-crawl-web,raphaelmerx/flower,pygeek/flower,lucius-feng/flower,pygeek/flower,ucb-bar/bar-crawl-web,asmodehn/flower,alexmojaki/flower,Lingling7/flower,marrybird/flower,allengaller/flower,allengaller/flower,Lingling7/flower,alexmojaki/flower,pj/flower,tellapart/flower,raphaelmerx/flower,jzhou77/flower,ChinaQuants/flower,pj/flower,tellapart/flower,barseghyanartur/flower,asmodehn/flower,tellapart/flower,ChinaQuants/flower,jzhou77/flower,jzhou77/flower,alexmojaki/flower,marrybird/flower,pygeek/flower,allengaller/flower