Revert "Try `raise gr.Error()`"

This reverts commit 2cf041ac4cdaf8ed97efd95bcaa24db8434000f1.

app.py

@@ -61,7 +61,6 @@ def process_submission(*inputs):
         
         gr.Info('Submission valid, running tournament...')
 
-        raise gr.Error("It's a try...")
         leaderboard_server.prepare_model_for_submission(inputs["submission_file"], metadata)
     except ValueError as err:
         gr.Warning(str(err))