Good morning, Bay Area. The giant X on top of the headquarters of the company formerly known as Twitter has come down after the city made some noise about it this week. The San Francisco Department of Building Inspection received two dozen complaints over the weekend from community members over a giant, illuminated "X" metal structure that was installed without permits. Reporter Laura Waxmann has more on that. And speaking of X, Elon Musk's company filed a lawsuit Monday in San Francisco federal…