You can read more about it here.
The parameters are the same, just the *.exe has been updated.
– CleanMom.exe /c /(xml file name) = Produce inventory XML of installed SCOM components
– CleanMom.exe /a /(xml file name) = Process inventory XML of installed SCOM components
– CleanMom.exe /CleanAgents = Remove SCOM agent MSI information
– CleanMom.exe /CleanServers = Remove SCOM server MSI information
You can download the CleanMOM.exe utility here.