They won't have enough Republicans to convict him in the Senate. What do they need, 19 of them? Most of them either blow Trump or will give the bullshit, "it will divide the country too much to do it with only x days left".
Plus he'll be gone before the Senate can get off their asses and vote. The only good it will do is to ban him from running again and they can say they did it. They still should, but what would really help is something faster to stop him from freaking up more and pardoning all his excrement family and cronies. 25th. But that isn't happening either.