Change to use default bias.
Change to use default bias.

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