By "done away with" do you mean that it supports killing gays?
https://biblehub.com/leviticus/20-13.htm
It does, but if you wish to counter that you can always play the contradiction game.
Example: Jesus said love one another or w/e, so therefore this law is invalid.
Or you can play the "arbitrary law seperation" where you just ignore god's commandments because of "jesus reasons".
Example: X law is ceremonial or X law only applies to the jews, christians don't have to obey those laws.(they do, they just don't want to).
Eh, really at the end of the day you'll find one of these three as the response.