Update README_zh.md

README_zh.md

@@ -265,5 +265,4 @@ autoround.quantize_and_save(output_dir, format="auto_round")
 
 @article{cheng2023optimize, title={Optimize weight rounding via signed gradient descent for the quantization of llms}, author={Cheng, Wenhua and Zhang, Weiwei and Shen, Haihao and Cai, Yiyang and He, Xin and Lv, Kaokao and Liu, Yi}, journal={arXiv preprint arXiv:2309.05516}, year={2023} }
 
-[arxiv](https://arxiv.org/abs/2309.05516)
-[github](https://github.com/intel/auto-round)
+[arxiv](https://arxiv.org/abs/2309.05516)