reverting merge

Edmond Yoo

2018-09-16 721d5e410e5a2b47ec2de722cc02fd6b9ed6b2fd

 src/cost_layer.h

@@ -1,7 +1,7 @@
#ifndef COST_LAYER_H
#define COST_LAYER_H
#include "params.h"
#include "layer.h"
#include "network.h"

typedef layer cost_layer;