Would this also cause the removal of any federal judges nominated and confirmed
How glorious this would be!
Not that this is going to go anywhere, but no.
Even if Biden were to be removed (doubtful, to say the least), the De Facto Officer Doctrine validates his acts while in office.
“The de facto doctrine (aka, “de facto officer doctrine”) validates, on grounds of public policy and prevention of a failure of public justice, the acts of an official who functions under color of law even though it is later discovered that the legality of that person’s appointment or election to office is deficient. “