Celtic have retained the Scottish Premiership title in style thanks to a 5-0 demolition of Kilmarnock on Wednesday night. Brendan Rodgers’ Bhoys didn’t need long to break the deadlock, eventually making light work of their opponents at Rugby Park. Celtic, who needed just one point to secure the title following their derby win, were up and running early on as Adam Idah opened the scoring in the fifth minute. Daizen Maeda then made it 2-0 in the 12th minute before James Forrest added a third on 35 minutes. The impressive Matt O’Riley then scored either side of Danny Armstrong’s disallowed effort…