Milania Giudice got into a heated exchange with her mom, Teresa Giudice, and her oldest sister, Gia Giudice, while they were surrounded by cops. In the now-deleted video shared online, the trio appeared to walk through an airport as a group of cops stood near them. “This is what we do now? This is what we do now?” Milania, 20, asked her mom and sister in the clip. Teresa, 54, repeatedly told her third oldest daugther, “I love you.” Gia, 25, then chimed in, saying, “Let her do what she wants to do,” as her mom keeps telling Milania she loves her. “Shut the f–k up!” Milania replied to the longtime “Real Housewives of New Jersey” star…