Remove redundant condition
Remove redundant condition

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