Whatever they do getting rid of chump is the repugnants top priority. He is poison even with his base.
If they mismanage it, they won't have a party. Trump will take those followers with him. He'll be in twitter every day saying that the deep state includes the top in the GOP and the trumptards will take it out on the GOP.
Read the comments on sites like Breitbart. Trump's base despises the GOP.