To clean your environment, go to your CloudFormation stack called All-in-one-TM-FileStorageSecurity
and click in delete, this will automatically delete the Scanner and Storage stack all together:
After the CloudFormation finish the deletion process (Usually takes up to 5 minutes), you can go back to your Cloud One File Storage Security console and select your stack and also delete the stack:
Done🎉! You have susscessfully cleanup your environment