Go: fix auth issue in hybrid mode (#14611)

### What problem does this PR solve?

Since secret key get and set logic is updated, the go server also need
to update.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

api/apps/restful_apis/system_api.py

@@ -39,7 +39,6 @@ async def ping():
     return "pong", 200
 
 @manager.route("/system/version", methods=["GET"])  # noqa: F821
-@login_required
 def version():
     """
     Get the current version of the application.