Human remains have been found in the search for a missing Sydney couple, police in Australia said Tuesday, four days after an off-duty police officer who is said to have dated one of them was charged with their murders.Two bodies were discovered at a rural property in Bungonia, a town about 100 miles south of Sydney, where detectives had established a crime scene over the weekend in the murders of Jesse Baird and Luke Davies.Though the bodies have not been formally identified, “we are very confident that we have located Luke and Jesse,” New South Wales police commissioner Karen Webb…