Do not set `--discussion_repo` to let cicd post to model discussion page

run_jobs.py

@@ -105,10 +105,6 @@ def prepare_env_and_get_command(
         command.append("--hf_token")
         command.append(os.environ.get(HF_WRITE_TOKEN))
 
-    # The repo to publish post
-    command.append("--discussion_repo")
-    command.append(m_id)
-
     # The repo to publish for ranking
     if leaderboard_dataset:
         command.append("--leaderboard_dataset")