modify paraformer train doc (#1427)

seanzhang-zhichen

2024-03-05 9595a9432fadfbdacd4e6897f6b9a83957699558

 runtime/websocket/bin/funasr-wss-server-2pass.cpp

@@ -207,7 +207,7 @@
      std::string s_lm_path = model_path[LM_DIR];

      std::string python_cmd =
          "python -m funasr.utils.runtime_sdk_download_tool --type onnx --quantize True ";
          "python -m funasr.download.runtime_sdk_download_tool --type onnx --quantize True ";

      if (!s_vad_path.empty()) {
        std::string python_cmd_vad;