This reverts commit 8c1405e168.
8c1405e168
Add notification-level deduplication keys and TTLs for deployment, backup, server, container, scheduled task, SSL, token, and transactional emails. Apply deduplication in email channels before sending rendered messages.
Stop applications after they hit the crash restart limit without clearing restart tracking, surface the stopped-limit warning in status UI, and use the application link in restart limit notifications.