Remove CUDA tests
Remove CUDA tests

jnishi/chainer,jnishi/chainer,jnishi/chainer,hvy/chainer,jnishi/chainer,chainer/chainer,hvy/chainer,keisuke-umezawa/chainer,okuta/chainer,ktnyt/chainer,chainer/chainer,niboshi/chainer,keisuke-umezawa/chainer,wkentaro/chainer,ktnyt/chainer,chainer/chainer,chainer/chainer,wkentaro/chainer,keisuke-umezawa/chainer,okuta/chainer,niboshi/chainer,okuta/chainer,hvy/chainer,okuta/chainer,niboshi/chainer,ktnyt/chainer,niboshi/chainer,tkerola/chainer,wkentaro/chainer,wkentaro/chainer,hvy/chainer,ktnyt/chainer,keisuke-umezawa/chainer,pfnet/chainer