KANSAS CITY, Mo. — All of the patients who were admitted to Children’s Mercy Hospital following the mass shooting at the Kansas City Chiefs victory rally Wednesday have been discharged, the hospital said Saturday. The hospital took in 12 patients after the shooting that wounded at least 39 people and killed one. Of those, at least 23 people suffered from gunshot injuries. Children’s Mercy said everyone they treated, including 9 children who had been shot, should make a full recovery. “Thank you for your support and grace with our team members this past week,” spokesperson Marlene Bentley said …