Prince Harry said goodbye to his mask to party it up at the Super Bowl LVI. In photos obtained by TMZ, the Duke of Sussex, 37, can be seen schmoozing it up with Hollywood’s elite without a mask during the Sunday, February 13, sporting event — where he was also photographed donning the protective gear while at his seat with his cousin Princess Eugenie. Harry wasn’t the only person who was not donning a COVID-19 preventative mask. Despite L.A. County’s Health Department’s warning to all attendees to wear a face covering, many celebrities threw caution to the wind to see the L.A. Rams take home a…