Remove axpy utilities
Remove axpy utilities

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