fixed compilation error on window_data_layer.cu in 10.8

src/caffe/layers/window_data_layer.cu

@@ -2,23 +2,12 @@
 //
 // Based on data_layer.cpp by Yangqing Jia.
 
-#include <cuda_runtime.h>
 #include <stdint.h>
 #include <pthread.h>
 
-#include <algorithm>
 #include <string>
 #include <vector>
-#include <map>
-#include <fstream>  // NOLINT(readability/streams)
-#include <utility>
 
-#include "opencv2/core/core.hpp"
-#include "opencv2/highgui/highgui.hpp"
-#include "opencv2/imgproc/imgproc.hpp"
-
-#include "caffe/blob.hpp"
-#include "caffe/common.hpp"
 #include "caffe/layer.hpp"
 #include "caffe/util/io.hpp"
 #include "caffe/vision_layers.hpp"