Despite his apology video, former TV producer Dan Schneider hasn’t spoken to Nickelodeon about censoring old programming since the release of the shocking documentary Quiet on Set, RadarOnline.com has learned. Quiet on Set: The Dark Side of Kids TV exposed the toxic environment and sexual abuse taking place at the network in the late 90s and early 2000s, specifically on Schneider’s hit shows, including Drake & Josh, All That, The Amanda Show, iCarly and Zoey 101. After the documentary’s release, Schneider issued an apology video addressing concerns about eyebrow raising lines featured on some …