This question is a bit of a play on words, as it combines the character Steve from Minecraft with the game itself. Steve, the player character in Minecraft, doesn't actually have hair that he can shave.
The question is likely referencing the fact that Minecraft is a game where players can build, explore, and create anything they can imagine. It's a world where the only limit is your imagination.
In this sense, the question is asking why anyone would want to "shave" the game, or simplify it, by removing its creative freedom and endless possibilities. The answer is simple: there's no reason to shave Minecraft!
The game's open-ended nature and creative potential are what make it so appealing and popular. Players enjoy the freedom to express themselves and build anything they can dream up.