This is for customer that have the ORGS Module installed.
Here are the instructions to delete a specific ORGS and its object that is not being used anymore:
1. Logon to the System interface: http://<KBOX_HOSTNAME>/systemui
2. Organization -> Click into a specific organization
3. Edit Mode and Press the Delete button.
This will delete a specific Organization with it's object. The only ORG that can't be deleted is the default ORGANIZATION.