By Katie Catherall Mikel Arteta has claimed he has ‘forgotten’ about Arsenal’s disappointing end to the 2022/23 Premier League campaign in which they finished five points behind champions Manchester City. Arsenal were pipped to the Premier League title last season by treble winners Man City, despite the Gunenrs having amassed a whopping eight point lead at the top of the table at one point during the campaign. Arsenal boss Arteta believes last season is old news, and claims he has erased it from his mind. Speaking after Arsenal’s victory over Brighton on Saturday, Arteta was asked on the diffe…