CmdID / Commands
vboxmanage-unregistervm
Unregister a virtual machine (VM). tldr-pages
On several platforms
Unregister an existing VM
Delete hard disk image files, all saved state files, VM logs, and XML VM machine files
VBoxManage unregistervm uuid --deleteIdentify
Delete all files from the VM
VBoxManage unregistervm uuid --delete-allIdentify