Remove the nodegroup or unbound entities bound to nodegroup

unbind_nodegroup

> rm service adns_service
ERROR: Cannot delete a service bound to a nodegroup.
> show ns runningConfig | grep nodegroup
add cluster nodegroup gslb_node
bind cluster nodegroup gslb_node
bind cluster nodegroup gslb_node -vServer gslb_vserver
bind cluster nodegroup gslb_node -gslbSite west-coast-site
bind cluster nodegroup gslb_node -service adns_service
>
> unbind cluster nodegroup gslb_node -vserver gslb_vserver
 Done
> unbind cluster nodegroup gslb_node -gslbSite west-coast-site
 Done
> unbind cluster nodegroup gslb_node -service adns_service
 Done
> rm service adns_service
 Done
>