Revert a change in #15797: restore the correct version of emsdk (#15995)
### Description
Revert a change in #15797: restore the correct version of emsdk
### Motivation and Context
Without change, when you build it on Windows you will see:
```
2023-05-17 19:41:30,093 build [INFO] - Activating emsdk...
2023-05-17 19:41:30,093 util.run [INFO] - Running subprocess in 'C:\src\onnxruntime2\cmake\external\emsdk'
'C:\src\onnxruntime2\cmake\external\emsdk\emsdk.bat' activate 3.1.37
error: tool or SDK not found: '3.1.37'
```