By Zach Barnett One year and one long-awaited national championship later, Kirby Smart’s buyout jumped nearly $90 million. If you can concoct a scenario in which Georgia were to fire Kirby Smart without cause between now and Dec. 31, 2026, don’t worry. The coach isn’t going away empty handed. According to contract details obtained by the Athens Banner-Herald, Smart’s record-breaking 10-year, $112.5 million is fully guaranteed through its first five seasons. That means Smart would get 100 percent of the remaining total if he were fired without cause through the end of 2026, then 85 percent on o…