What checks and balances are there to prevent one man (McConnell) from carrying out this threat See details?

https://www.salon.com/2019/04/24/mcconnell-vows-to-block-democratic-proposals-after-2020-elections-think-of-me-as-the-grim-reaper/

Is there a method by which he can be removed with a vote of No Confidence, perhaps? What is the procedure? Does anyone here know? Is there a site you can direct me to?
Thank you.

General Question