delete useless code
delete useless code

reyoung/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,Canpio/Paddle,luotao1/Paddle,luotao1/Paddle,baidu/Paddle,luotao1/Paddle,QiJune/Paddle,QiJune/Paddle,putcn/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,Canpio/Paddle,baidu/Paddle,putcn/Paddle,jacquesqiao/Paddle,chengduoZH/Paddle,chengduoZH/Paddle,Canpio/Paddle,putcn/Paddle,Canpio/Paddle,luotao1/Paddle,baidu/Paddle,jacquesqiao/Paddle,QiJune/Paddle,jacquesqiao/Paddle,chengduoZH/Paddle,reyoung/Paddle,Canpio/Paddle,luotao1/Paddle,baidu/Paddle,QiJune/Paddle,pkuyym/Paddle,luotao1/Paddle,putcn/Paddle,tensor-tang/Paddle,jacquesqiao/Paddle,reyoung/Paddle,pkuyym/Paddle,pkuyym/Paddle,reyoung/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,baidu/Paddle,tensor-tang/Paddle,putcn/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,putcn/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,Canpio/Paddle,jacquesqiao/Paddle,reyoung/Paddle,QiJune/Paddle,QiJune/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,reyoung/Paddle,PaddlePaddle/Paddle