TikTok said Wednesday it will close its Nashville office in October, laying off 250 workers.The move is a retrenchment from the social video company’s expansion into Nashville in 2024 and comes as many tech companies are reevaluating their workforce amid the growth of artificial intelligence. “We have decided to close our Nashville office to streamline our operations and better align our teams for long-term growth,” said TikTok USDS Joint Venture LLC, which oversees TikTok’s U.S. operations. “We remain fully committed to providing secure, safe and positive experiences for the 200 million Americans that create, discover and connect with what they…