Deletes the VMware vCenter server registered as a tenant with this EFA instance.
When the cleanup-tenants parameter is supplied, the command
                    removes the registered ESXi hosts and EPGs for this VMware vCenter Server
                    tenant. 
$ efa vcenter delete --host 10.24.85.111This example deletes the VMware vCenter Server with host IP 10.24.85.111 and removes the associated tenants and EPGs.
$ efa vcenter delete --host 10.24.85.111 --cleanup-tenants