Update _records.scss section comment to match rename

Details

Finish the _grids -> _records rename by updating the section header
comment (was still labelled "grids"). Comment-only change.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_018Z78wTEczDqpD4nqJWKRME

Files changed (1)