Remove unnecessary changes
Remove unnecessary changes

wkentaro/chainer,chainer/chainer,jnishi/chainer,hvy/chainer,hvy/chainer,okuta/chainer,chainer/chainer,jnishi/chainer,ktnyt/chainer,niboshi/chainer,niboshi/chainer,keisuke-umezawa/chainer,tkerola/chainer,niboshi/chainer,niboshi/chainer,ronekko/chainer,wkentaro/chainer,okuta/chainer,okuta/chainer,ktnyt/chainer,chainer/chainer,wkentaro/chainer,jnishi/chainer,wkentaro/chainer,ktnyt/chainer,aonotas/chainer,keisuke-umezawa/chainer,keisuke-umezawa/chainer,ktnyt/chainer,pfnet/chainer,anaruse/chainer,hvy/chainer,jnishi/chainer,chainer/chainer,keisuke-umezawa/chainer,hvy/chainer,okuta/chainer,rezoo/chainer