AWS Glacier Cleanup
The AWS console does not provide an easy way to delete vaults.
AWS Glacier FAQ
Delete all vaults
My Vaults contain many Archives, 200k+, and it's not feasible to delete them one at a time. I used the AWS CLI and a bash to delete all the vaults.
There are lots of example scripts on the web, and I used them to create my script. I've included it here for reference. obrienmikej/aws-glacier