fix code style

python/examples/faster_rcnn_model/README.md

@@ -68,6 +68,3 @@ This is the input picture
 <p>
   
 This is the picture after adding bbox. You can see that the client has done post-processing for the picture. In addition, the output/bbox.json also has the number and coordinate information of each box.
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python/examples/faster_rcnn_model/README_CN.md

@@ -68,4 +68,3 @@ python test_client.py --config_path=infer_cfg.yml --infer_img=000000570688.jpg -
     <br>
 <p>
 这是实现添加了bbox之后的图片，可以看到客户端已经为图片做好了后处理，此外在output/bbox.json也有各个框的编号和坐标信息。
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