Nope...article says the law does not allow for the rescinding of protection of the land, only for the granting of it.
Just disregard the law, like obama has been doing
OTOH, since one Congress cannot bind a future one, all that needs to happen is for the next Congress to repeal the prior law. Effectively, Congress would rescind this order, and Trump would carry the recinding, based on the new law, out.
So...amend the law. Done all the time.