Hello there,
I do not think we must remove the older version as this is a cumulative update of the Remote Desktop Services Management Pack.
The Remote Desktop Services Management Pack helps you manage your computers that are running Remote Desktop Services on Windows Server by monitoring the health of Remote Desktop Services role services.
You can check the requirements here https://www.microsoft.com/en-us/download/details.aspx?id=54806
Hope this resolves your Query !!
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