refactor: use source code patch instead of deleting NSFW models

Cleaner solution based on Reddit community feedback:
- Patch content_analyser.py to return False (always safe)
- Remove unused config file
- Remove config volume mount from compose
- Much simpler and more reliable than file deletion approach

Credit: https://www.reddit.com/r/StableDiffusion/comments/1m2w5af/

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

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

ai/compose.yaml

@@ -167,7 +167,6 @@ services:
     volumes:
       - ai_facefusion_data:/workspace
       - ./entrypoint.sh:/entrypoint.sh:ro
-      - ./facefusion-config.ini:/config/facefusion-config.ini:ro
     networks:
       - compose_network
     labels: