“GMA” host George Stephanopoulos has been “miserable” after being forced to apologize following the President Trump fiasco — and staffers are already speculating about who might replace him, The Post has learned Stephanopoulos has been rumored to be on his way out, according to multiple network sources, since ABC News parent Disney agreed to settle a defamation suit in December over the anchor insisting on-air that Trump was “found liable for rape” — instead of sexual abuse — in a lawsuit by journalist E. Jean Carroll. As part of Disney’s deal with Trump, the former Democratic operative — who co-hosts...