By Josh O’Brien Unai Emery was in no mood to stick the boot in to ex-side Arsenal after current outfit Aston Villa enjoyed a shock 2-0 win at the Emirates on Sunday. The Villa boss spent 18 months at the helm of the Gunners from May 2018 until he was sacked from his post in November 2019 after a particularly dismal run of form. Just shy of three years on from his Arsenal dismissal, the Spaniard returned to the Premier League to succeed Steven Gerrard at Villa Park. Emery has established himself as a firm fan favourite among the Villa faithful, transforming the club’s fortunes and guiding them …