Group Policy allows you to remove packages which have been deployed in the past. For more details read http://support.microsoft.com/kb/816102.
To remove a package:
1.Click on the Start button.
2.Go to Programs.
3.Select Administrative Tools and then select Active Directory Users and Computers.
4.Right-click your domain name in the console tree and select the Properties.
5.Select the Group Policy tab.
6.Select the object you used to deploy the package and click Edit.
7.Expand the Software Settings element (per-user or per-machine) which contains the deployed package
8.Expand the Software Installation element which contains the deployed package
9.Right-click the package in the right pane of the Group Policy window
10.Select the All Tasks menu and click Remove
11.Select from the following options:
•Immediately uninstall the software from users and computers
•Allow users to continue to use the software but prevent new installations
12.Click the OK button to continue .
13.Close the Group Policy snap-in.
14.Click OK and exit the Active Directory Users and Computers snap-in.