A server group is a logical grouping of the server computers. You can delete a server group from your environment. Deleting a server group does not remove the servers, only their association with each other in the server group.
Procedure
From the navigation pane, go to Manage > Server groups.
The Server groups page appears.
In the server group row, click the Actions icon
, and then click Delete.A confirmation dialog box appears.
To confirm the operation, click Yes.