Norman Reedus has provoked the ire of The Walking Dead fans after giving away a major spoiler on social media.The star, who plays Daryl Dixon on the long-running AMC series, had posted tributes to his co-star Ryan Hurst on Instagram and Twitter. In the finale of The Walking Dead’s tenth season, which aired just a day before Reedus’s posts, Dixon finally kills Beta, the nefarious character played by Hurst.The killing was undoubtedly the biggest moment in a dramatic finale that had been delayed