live_server_helper: remove redundant join()

terminate() already does it.

Author: bluetech

pytest_django/live_server_helper.py

@@ -62,7 +62,6 @@ def stop(self) -> None:
         """Stop the server"""
         # Terminate the live server's thread.
         self.thread.terminate()
-        self.thread.join()
         # Restore shared connections' non-shareability.
         for conn in self.thread.connections_override.values():
             conn.dec_thread_sharing()