chore: remove DEBUG message from model snapshot output

Removed the DEBUG line that printed snapshot paths during model linking.
This cleans up the output to only show user-relevant information.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

artifact_huggingface_download.sh

@@ -501,7 +501,6 @@ if not snapshots:
     sys.exit(1)
 
 latest_snapshot = snapshots[0]
-sys.stderr.write('DEBUG: Using snapshot {0}\n'.format(str(latest_snapshot)))
 
 # Find model files
 file_count = 0