From Google AI: No, the president cannot immediately fire or remove the vice president, as the U.S. Constitution does not grant the chief executive the power to dismiss a separately elected vice president

Vance does not need Trump's clown car supporters, he just needs the begrudged Republican Senators who lost their seats, between the election and when they are officially booted from office, to impeach Trump. The Dems will certainly go for it. There is nothing Republicans love more than a scorched earth policy in defeat.