Florida prosecutors have withdrawn a plea deal that was “erroneously” extended to a man who made Facebook threats against Donald Trump and J.D. Vance. Michael Martin Wiseman was arrested in July, just days after a gunman fired shots at the former president at a Pennsylvania rally, for posting that the Republican ticket “should be murdered” and adding that “some people need to be better shots.” But Palm Beach County prosecutors say an agreement to resolve the case was a mistake, reported Law & Crime. “The pretrial intervention program contract must be vacated because the defendant does not meet…