Wanda Sykes isn’t laughing after the slap that shocked Oscars viewers worldwide. The comic, who was co-hosting the 94th Academy Awards alongside Amy Schumer and Regina Hall, revealed that even though Will Smith slapping Chris Rock — following a joke made about his wife — overshadowed the night, the hosting trio has yet to hear an apology from the actor or the Academy. “I know he apologized to Chris. But … we were the hosts, right?” Sykes, 58, said during her appearance on “The Ellen DeGeneres Show” Wednesday. “This is our house. We’re hosts. We’re gonna take care of y’all tonight. Make sure …