Cleaning up Flatpak

[Douglas Summers]

My system currently is using the 396.45 Nvidia driver. When updating
Flatpak this evening, the latest Nvidia runtime was added to my system.
Do I still need the old ones?

'flatpak list --system | grep nivida' returns this:
org.freedesktop.Platform.GL.nvidia-390-48/x86_64/1.4	runtime
org.freedesktop.Platform.GL.nvidia-390-67/x86_64/1.4	runtime
org.freedesktop.Platform.GL.nvidia-396-24/x86_64/1.4	runtime
org.freedesktop.Platform.GL.nvidia-396-45/x86_64/1.4	runtime
org.freedesktop.Platform.GL32.nvidia-390-48/x86_64/1.4	runtime
org.freedesktop.Platform.GL32.nvidia-390-67/x86_64/1.4	runtime
org.freedesktop.Platform.GL32.nvidia-396-24/x86_64/1.4	runtime