Beyonce is no longer motivated by “charts and sales”. Despite the record-breaking success of her polarising country album ‘Cowboy Carter’, the 42-year-old superstar insists she doesn’t get “excited” by chart positions and accolades anymore. In a rare interview with The Hollywood Reporter, she said of the critics the record: “When you are breaking down barriers, not everyone is ready and open for a shift. But when I see Shaboozey [Cowboy Carter collaborator] tearing the charts up and all the beautiful female country singers flying to new heights, inspiring the world, that is exactly what motiva…