By Olivia Wheeler Britain’s Got Talent is in a huge ITV schedule shake-up next week. The hit competition show typically airs on Saturday evenings with occasional double bills on Sundays for the launch of the series or finals. However, next week, Britain’s Got Talent will be pulled from its usual Saturday schedule and will instead air on Sunday night. Instead of getting Britain’s Got Talent on Saturday 11 May, In With A Shout and Casino Royale will be airing from 7pm until 10:40pm. However, despite not airing on Saturday evening, BGT will instead air on Sunday 12 May at 7:40pm. It comes as the …