Celtic stormed back to the Scottish Premiership after their win against St Mirren at the SMISA Stadium this afternoon. Goals from Callum McGregor, Reo Hatate and Alistair Johnston sealed the 3-0 win to restore Celtic’s two-point advantage over Rangers at the top of the table. There may have been a worry amongst the Celtic support at how Brendan Rodgers’ midfield would cope without Matt O’Riley as he was left out of the squad to finalise his £30m move to Brighton. But those fears were instantly banished within the first half an hour afterCallum McGregor’s third-minute strike and Reo Hatate’s 33…