Remove a wrong statement from uninstall docs
Remove a wrong statement from uninstall docs

We do not have code to remove the apps data directory.

Closes: #2309

Closes: #2312
Approved by: matthiasclasen

matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak