Remove useless variable test
Remove useless variable test

chainer/chainer,ttakamura/chainer,kikusu/chainer,AlpacaDB/chainer,truongdq/chainer,Kaisuke5/chainer,benob/chainer,AlpacaDB/chainer,sou81821/chainer,keisuke-umezawa/chainer,niboshi/chainer,nushio3/chainer,ttakamura/chainer,wkentaro/chainer,delta2323/chainer,muupan/chainer,kikusu/chainer,keisuke-umezawa/chainer,nushio3/chainer,rezoo/chainer,tscohen/chainer,yanweifu/chainer,ktnyt/chainer,jnishi/chainer,aonotas/chainer,cupy/cupy,tigerneil/chainer,cemoody/chainer,niboshi/chainer,kiyukuta/chainer,keisuke-umezawa/chainer,cupy/cupy,okuta/chainer,wkentaro/chainer,ikasumi/chainer,woodshop/chainer,ktnyt/chainer,woodshop/complex-chainer,minhpqn/chainer,muupan/chainer,masia02/chainer,hvy/chainer,tkerola/chainer,sinhrks/chainer,1986ks/chainer,wavelets/chainer,okuta/chainer,jnishi/chainer,t-abe/chainer,kashif/chainer,hvy/chainer,wkentaro/chainer,jfsantos/chainer,truongdq/chainer,cupy/cupy,ronekko/chainer,ktnyt/chainer,benob/chainer,kuwa32/chainer,okuta/chainer,ktnyt/chainer,ysekky/chainer,hidenori-t/chainer,wkentaro/chainer,cupy/cupy,niboshi/chainer,laysakura/chainer,tereka114/chainer,anaruse/chainer,hvy/chainer,t-abe/chainer,chainer/chainer,sinhrks/chainer,niboshi/chainer,umitanuki/chainer,hvy/chainer,pfnet/chainer,bayerj/chainer,chainer/chainer,ytoyama/yans_chainer_hackathon,jnishi/chainer,elviswf/chainer,chainer/chainer,keisuke-umezawa/chainer,okuta/chainer,jnishi/chainer