Brian Steinberg Senior TV EditorRemember going to crowded outdoor concerts? Hoda Kotb does.One of the perks of being an anchor on NBC’s venerable “Today” morning show is getting to see Jason Mraz or Aerosmith belt one out in the middle of New York’s Rockefeller Plaza, with dozens of fans of the show surrounding the stage. That’s just one of many core elements of “Today” that have been scuttled due to the coronavirus pandemic.