Yes
At least my search for it found no way of doing this. Oh and don't start calling me a cracker please, I just checked around to see if there was a way and maybe report it
If you play LFS offline it ain't much of an enjoyment, so if people use cracks - too bad for them, they won't enhoy the game as we do.
Btw, wonder if the dev's read this topic for inputs about the development, and wishlists.