Los Angeles Mayor Eric Garcetti ordered the power cut at a swanky Hollywood Hills residence that police say held parties in violation of public health orders aimed at slowing the spread of the novel coronavirus and is the home of several TikTok stars, including Bryce Hall.The house on Appian Way was the site of at least two large gatherings in recent weeks, police said.Garcetti, who had threatened to cut off power and water to homes that defy rules about large gatherings during the Covid-19…