chore: remove committed local gate output files

Four gate-*.txt scratch files were swept into the previous commit by a broad
git add. They are local command snapshots, contain machine-specific paths, and
are consumed by nothing.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LJV2dCcAYvf1JuxquCMZAd

Author: waleedlatif1