By Sarah Tetteh Prince William is reportedly ‘done with Prince Harry’ after his wife Kate Middleton has become embroiled in the royal racism row. It comes after the monarchy was left reeling after King Charles and the Princess of Wales were named as the two royals who allegedly voiced “concerns” over the skin colour of Harry and Meghan’s son Archie in Omid Scobie’s controversial book, Endgame. An “error” in the Dutch translation of the book has been blamed for the inclusion of their names. Now a source close to the royal camp has told The Mirror: “It’s a bit of a final straw now. Prince Willia…