Use the lmvutil command with the --deleteSite option to delete a site.
Syntax
lmvutil --deleteSite --sitename sitename
Usage Notes
This command returns an error message if the specified site does not exist or if the command cannot find or delete the site.
Options
You use the --sitename option to specify the name of the site to delete.
Example
lmvutil --authAs adminEast --authDomain domainEast --authPassword "*" --deleteSite --sitename "Eastern Region"