For real! I've been saying this for decades. I haven't "watered" my "lawn" in... oh, 40 years or so, maybe? If it rains, fine. If not, the shit can die. I couldn't care less. I've never been one for that "All-American Lawn" bullshit.
When we bought this place back in '94 or five, it came with an underground sprinkler system. We used it the first few years, and then they put the price up on water, and then came water restrictions. We haven't used it for a very long time now. Not sure if it would even work. Yep. Let it die. It always comes back. At least the weeds do.