By David Wetzel New York (Knewz) — Prince Harry and Meghan Markle have severed some of their United States ties. According to Radar, the Duke and Duchess of Sussex have cut ties with their United States public relations firm. Sunshine Sachs confirmed to Radar that they “no longer work” with the exiled royals. Prince Harry and Meghan Markle have been in the United Kingdom for the ceremonies surrounding the death of Queen Elizabeth II. Her son, King Charles III, has taken over the throne as preparations for the queen’s funeral continue to take place. An anonymous tipster confirmed the news to Ra…