Nicki Minaj shows further remorse for canceling her “NickiWRLD” tour stop in Bratislava. After conferring with her fans yesterday after nixing a show due to technical issues, Nicki Minaj felt obliged to offer a more elaborate explanation for the mishap via Instagram. Incidentally, it was her “Barbies” Bratislava, Slovakia who bore the brunt of her technical troubles, even though she later addressed the situation …