First, they retired the “One Goal” ad campaign. The Blackhawks also traded tweener defenseman Dennis Gilbert and in return, get 25-year-old defenseman Nikita Zadorov and minor-league defenseman Anton Lindholm. Zadorov is an adequate, defensive-minded defenseman, a 6-foot-6 bruiser who brings an element the Blackhawks don’t really have, thanks to a string of drafting smallish, offensive-minded blue-liners. But the Blackhawks traded …