I think you are referencing the Automation Symbols Toolkit, which indeed have been moved into the LabVIEW DSC module.
There is also the option of using the ActiveX Automation Symbols Toolkit. While it is designed for use in Visual Basic, you could use the controls in the ActiveX container in LabVIEW.
authored byChristian L, CLA
Systems Engineering Manager - Automotive and Transportation
NI - Austin, TX