It's even more usefull than removing it. No one forced you to buy it and no one is forcing you to go on using it. The sword is not supposed to be your next hot dog or whatever. It will most likely stay how it is and won't change. This way you can at least heal yourself a little bit before eating the next food. Can save you 1 food per full health and in masses its good.
People are complaining about 50 Gralats you waste from the new login system for your (Gang)House and now you complain if you just save 50 Gralats.