Remove debug code
Remove debug code

cupy/cupy,jnishi/chainer,cupy/cupy,wkentaro/chainer,ysekky/chainer,ktnyt/chainer,ronekko/chainer,hvy/chainer,hvy/chainer,jnishi/chainer,keisuke-umezawa/chainer,okuta/chainer,delta2323/chainer,niboshi/chainer,keisuke-umezawa/chainer,ktnyt/chainer,keisuke-umezawa/chainer,wkentaro/chainer,hvy/chainer,niboshi/chainer,kiyukuta/chainer,tkerola/chainer,jnishi/chainer,keisuke-umezawa/chainer,jnishi/chainer,okuta/chainer,chainer/chainer,kashif/chainer,chainer/chainer,aonotas/chainer,okuta/chainer,niboshi/chainer,wkentaro/chainer,rezoo/chainer,hvy/chainer,pfnet/chainer,okuta/chainer,cupy/cupy,wkentaro/chainer,chainer/chainer,ktnyt/chainer,cupy/cupy,niboshi/chainer,ktnyt/chainer,anaruse/chainer,chainer/chainer