It wasn’t so long that Aston Villa were letting a 2-0 lead slip at home to Brentford and dropping points in the top-four race. Fans were starting to fear the worst that Champions League football might not be delivered despite how well Unai Emery’s team have fought and performed this season. But on Sunday, Aston Villa managed to produce one of their performances of the season when they rocked up to the Emirates and beat Arsenal 2-0. Not only was it a deserved victory, but it brought back the belief that the team can now secure that fourth spot and it also dented Arsenal’s Premier League title c…