By Olivia Wheeler Ant & Dec’s Saturday Night Takeaway fans were left unimpressed by a huge show shake-up announcement on Saturday night. As the latest instalment came to an end, hosts Ant McPartlin and Declan Donnelly revealed a schedule shake-up for next week, announcing that there would be no episode and the hit ITV show would instead return in two weeks. This is due to the Six Nations Live with the rugby airing from 3:55pm until 10:30pm. Ant said: “We’re not here next week because of the rugby, sorry, but we’ll be back in two weeks!”, revealing that McFly would be on the show, as well as Ma…