KANNAPOLIS, N.C.—Russian driver Nikita Mazepin was dropped by Haas F1 despite the FIA ruling he could compete in Formula One races under a neutral flag. Haas also ended its sponsorship with Uralkali, the Russian fertilizer company owned by Mazepin’s father. Dmitry Mazepin is a close ally of Russian President Vladimir Putin and his son’s contract to drive was linked to the team sponsorship. “As with the rest of the Formula 1 community, the team is shocked and saddened by the invasion of Ukraine and wishes for a swift and peaceful end to the conflict,” Haas said in a statement Saturday. Formula One earlier last week terminated its contract with the Russian GP. The race in Sochi was contracted through 2025. That put the spotlight on Haas, an American team entering its seventh season of F1 competition. Haas last year overhauled its lineup and added rookies Mazepin and Mick Schumacher, son …