Nigel Lythgoe has temporarily stepped down from his position at BritWeek, a nonprofit organization he co-founded in 2007, to focus on clearing his name, RadarOnline.comcan exclusively reveal. An insider confirmed the news to this outlet on Thursday, disclosing the decision was quietly made earlier this week as the television veteran focuses on fighting the two sexual lawsuits brought against him by three women, including singer Paula Abdul. Lythgoe started BritWeek to build relations with creative professionals in Britain and the United States. The nonprofit organizes several star-studded even…