update readme (WongKinYiu#396)

README.md

@@ -169,8 +169,6 @@ wget https://github.com/WongKinYiu/yolov7/releases/download/v0.1/yolov7-tiny.pt
 python export.py --weights ./yolov7-tiny.pt --grid --end2end --simplify --topk-all 100 --iou-thres 0.65 --conf-thres 0.35 --img-size 640 640
 git clone https://github.com/Linaom1214/tensorrt-python.git
 python ./tensorrt-python/export.py -o yolov7-tiny.onnx -e yolov7-tiny-nms.trt -p fp16
-
-# example of inference in C++ https://github.com/Linaom1214/tensorrt-python/tree/main/yolov7/cpp
 ```
 
 **Pytorch to TensorRT another way** <a href="https://colab.research.google.com/gist/AlexeyAB/fcb47ae544cf284eb24d8ad8e880d45c/yolov7trtlinaom.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"></a> <details><summary> <b>Expand</b> </summary>