A slightly different spin on the “The Biggest Loser” television competition is kicking off in Nevada County Jan. 21 and is open to anyone looking to drop some unwanted weight. Joey Bratton, owner of Fit Culture Studio in Nevada City, is running the Thinner Winner competition and is inviting the whole community to participate. “It will be like the biggest loser in that it is a (weight-loss) contest, and the winning team gets some money,” Bratton said. “But nobody gets kicked off or anything crazy. It’s all positive. If someone is not doing well, the team is there to encourage …