update doc

deploy/README_ch.md

@@ -23,7 +23,7 @@ PP-OCR模型已打通多种场景部署方案，点击链接获取具体的使
 - [Python 推理](../doc/doc_ch/inference_ppocr.md)
 - [C++ 推理](./cpp_infer/readme_ch.md)
 - [Serving 服务化部署（Python/C++）](./pdserving/README_CN.md)
-- [Paddle-Lite 端侧部署（ARM CPU/OpenCL ARM GPU/Metal ARM GPU）](./lite/readme_ch.md)
+- [Paddle-Lite 端侧部署（ARM CPU/OpenCL ARM GPU）](./lite/readme_ch.md)
 - [Paddle.js 部署](./paddlejs/README_ch.md)
 - [Jetson 推理](https://github.com/PaddlePaddle/PaddleOCR/blob/dygraph/deploy/Jetson/readme_ch.md)
 - [Paddle2ONNX 推理](./paddle2onnx/readme_ch.md)