GB News presenter Nana Akua has hit out at Meghan Markle and called for the Duchess of Sussex to “give up” on her “vendetta” against the Royal Family. Addressing the feud on her GB News show, Nana said: “None of this she and Harry actually had to do. If they’d been a little bit smarter, more patient and bided their time, they could have done all this with the family’s backing and with the world in tow. “And of course, all this has done is boost the sales of the King’s jam. Sales have skyrocketed since the launch of her jam, and his was sold out within six days. “And whilst the proceeds for the…