remove unnecessary code
remove unnecessary code

zxylvlp/muduo,lizhanhui/muduo,nestle1998/muduo,guker/muduo,lizj3624/http-github.com-chenshuo-muduo-,flyfeifan/muduo,danny200309/muduo,lizj3624/muduo,lvmaoxv/muduo,SuperMXC/muduo,tsh185/muduo,lizj3624/muduo,huan80s/muduo,jerk1991/muduo,zhuangshi23/muduo,SourceInsight/muduo,youprofit/muduo,xzmagic/muduo,ucfree/muduo,KingLebron/muduo,nestle1998/muduo,shenhzou654321/muduo,shenhzou654321/muduo,devsoulwolf/muduo,Cofyc/muduo,KublaikhanGeek/muduo,decimalbell/muduo,SuperMXC/muduo,devsoulwolf/muduo,fc500110/muduo,youprofit/muduo,shuang-shuang/muduo,daodaoliang/muduo,lizj3624/http-github.com-chenshuo-muduo-,danny200309/muduo,SourceInsight/muduo,floristt/muduo,wangweihao/muduo,Cofyc/muduo,penyatree/muduo,decimalbell/muduo,ywy2090/muduo,danny200309/muduo,jerk1991/muduo,Cofyc/muduo,zhanMingming/muduo,wangweihao/muduo,shenhzou654321/muduo,floristt/muduo,floristt/muduo,wangweihao/muduo,zxylvlp/muduo,KingLebron/muduo,ucfree/muduo,zouzl/muduo-learning,mitliucak/muduo,lizj3624/muduo,KingLebron/muduo,dhanzhang/muduo,yunhappy/muduo,dhanzhang/muduo,lizhanhui/muduo,decimalbell/muduo,lizj3624/muduo,westfly/muduo,lizj3624/http-github.com-chenshuo-muduo-,dhanzhang/muduo,lizj3624/http-github.com-chenshuo-muduo-,KunYi/muduo,mitliucak/muduo,SuperMXC/muduo,ucfree/muduo,penyatree/muduo,zxylvlp/muduo,dhanzhang/muduo,SourceInsight/muduo,SourceInsight/muduo,zouzl/muduo-learning,lizj3624/http-github.com-chenshuo-muduo-,danny200309/muduo,westfly/muduo,jxd134/muduo,KingLebron/muduo,kidzyoung/muduo,kidzyoung/muduo,lvmaoxv/muduo,KublaikhanGeek/muduo,huan80s/muduo,pthreadself/muduo,huan80s/muduo,zhanMingming/muduo,huan80s/muduo,fc500110/muduo,wangweihao/muduo,westfly/muduo,june505/muduo,yunhappy/muduo,huan80s/muduo,jxd134/muduo,mitliucak/muduo,ucfree/muduo,lvshiling/muduo,devsoulwolf/muduo,dhanzhang/muduo,lvshiling/muduo,SuperMXC/muduo,zhuangshi23/muduo,DongweiLee/muduo,june505/muduo,devsoulwolf/muduo,floristt/muduo,floristt/muduo,devsoulwolf/muduo,shenhzou654321/muduo,zhuangshi23/muduo,shuang-shuang/muduo,daodaoliang/muduo,danny200309/muduo,DongweiLee/muduo,decimalbell/muduo,SuperMXC/muduo,ucfree/muduo,lizj3624/muduo,xzmagic/muduo,tsh185/muduo,Cofyc/muduo,shenhzou654321/muduo,zouzl/muduo-learning,SourceInsight/muduo,KunYi/muduo,mitliucak/muduo,wangweihao/muduo,decimalbell/muduo,mitliucak/muduo,KingLebron/muduo,flyfeifan/muduo,Cofyc/muduo,ywy2090/muduo,guker/muduo,pthreadself/muduo