How to Unpublish a Request Offering
When you unpublish a request offering in System Center 2012 – Service Manager, it is removed from the Self-Service Portal so that end users cannot request it. You can use the following procedure to unpublish a request offering.
To unpublish a request offering
In the Service Manager console, select Library.
In the Library pane, expand Service Catalog, and then select Published Request Offerings.
In the Published Request Offerings list, select one or more request offerings, and in the Tasks pane under <RequestOfferingName>, click Unpublish.