As the New York Knicks and Philadelphia 76ers face off in the playoffs , the longtime rivalry is heating up off the hardwood and onto New York City menus. Some zealous Knicks fans have even gone as far as to “ban” the iconic Philly cheesesteak, while others are doubling down on New York’s humble bodega legend: the chopped cheese. The beef runs deeper than sandwiches. Both the Philly cheesesteak and chopped cheese have become hometown comfort foods — but despite sharing meat, cheese and onions,