circleci: remove opencv

AlexeyAB

2017-10-19 528e7668d7be9c767661a0199e57dfdf1865f67e

 src/dropout_layer.h

@@ -1,8 +1,8 @@
#ifndef DROPOUT_LAYER_H
#define DROPOUT_LAYER_H

#include "params.h"
#include "layer.h"
#include "network.h"

typedef layer dropout_layer;