circleci: remove opencv

AlexeyAB

2017-10-19 528e7668d7be9c767661a0199e57dfdf1865f67e

 src/deconvolutional_layer.h

@@ -2,7 +2,6 @@
#define DECONVOLUTIONAL_LAYER_H

#include "cuda.h"
#include "params.h"
#include "image.h"
#include "activations.h"
#include "layer.h"