Disable the cron schedule for the background agent MVP workflow. Manual
runs via workflow_dispatch are still available.
The workflow was running daily on weekdays but the project is being
paused. This change:
- Comments out the schedule trigger
- Adds a note pointing to the Notion doc for context
- Preserves the ability to run manually
See [Background Agent for
Zed](https://www.notion.so/Background-Agent-for-Zed-3038aa087eb980449b9ee02f70ae8413)
Notion doc for current status and contacts to resume this work.
Release Notes:
- N/A