https://docs.aws.amazon.com/awscloudtrail/latest/APIReference/API_DeleteDashboard.html
DeleteDashboard - AWS CloudTrail
Deletes the specified dashboard. You cannot delete a dashboard that has termination protection enabled.
awscloudtrail
https://docs.aws.amazon.com/quicksight/latest/APIReference/API_DeleteDashboard.html
DeleteDashboard - Amazon Quick Sight
Deletes a dashboard.
amazon quicksight