All assets, Competitions, Clubs & Teams, Players, Venues & Ad Sets can be archived within LIGR.
Should the user ever need to restore something that has been archived, it can be done by following the below steps. This article shows a previously archived Competition being restored.
Select Assets in the left hand side dashboard..
Select Competitions. (Or whichever asset you wish to restore).
Click the icon that looks like an arrow.
Check the box that says Include Archived.
Select the Restore button of the Competition that you wish to restore and will reappear in your dashboard.