Under cover of darkness, amid a national outcry over racial injustices and the killing of George Floyd and a renewed local call to stop glorifying the legacy of a mayor known for his aggressive treatment of the city’s black and gay communities, the mural was painted over early Sunday morning.Shoppers visited the Italian Market on Sunday to find that a major change had come to the storied South Philadelphia row of butchers, cheese-mongers and veggie stalls: The three-story visage of former Mayor Frank Rizzo that had long stared down the street from one of its busiest corners was gone.“It was...…Under cover of darkness, amid a national outcry over racial injustices and the killing of George Floyd and a renewed local call to stop glorifying the legacy of a mayor known for his aggressive treatment of the city’s black and gay communities, the mural was painted over early Sunday morning.Shoppers visited the Italian Market on Sunday to find that a major change had come to the storied South Philadelphia row of butchers, cheese-mongers and veggie stalls: The three-story visage of former Mayor Frank Rizzo that had long stared down the street from one of its busiest corners was gone.“It was...WW…