By Charlotte McIntyre Good Morning Britain fans blasted the show’s focus on Prince Harry’s return to the UK after learning of King Charles’ cancer diagnosis. Susanna Reid and Richard Madeley hosted Wednesday’s show, with the presenters addressing the Duke of Sussex’s return after Buckingham Palace announced Charles’ cancer news. The ITV show questioned whether Harry should return to royal duties following the news of his father’s diagnosis, but viewers weren’t impressed. On X, formerly known as Twitter, GMB asked: “Prince Harry has rushed to be by his father’s side after learning of the King’s…