update m2met docs

yhliang

2023-04-26 5a48c1cb7f0e13ec9828a9bf7845e684ee0a8d27

 funasr/runtime/onnxruntime/src/funasr-onnx-offline-rtf.cpp

@@ -58,7 +58,6 @@
        }else{
            cout <<"No return data!";
        }

    }
    {
        lock_guard<mutex> guard(mtx);