Date: 2018-08-11 09:09
This is merely a config change to add more grass and slightly taller and denser.
There are no files so original content is intact simply remove the addon to revert back to old tanoa
To install dbo_tanoa(edited) you should use modfolders to keep it seperate from the official game content to prevent issues.
With Arma 3 you can use different ways to set up your modfolders to use custom content you have downloaded.
Please visit the Arma 3 Mod install instructions page for more information about using custom mods and addons in Arma 3.