A federal judge on Tuesday tossed out half of the claims a group of Chicago aviation security officers raised in their class-action lawsuit against the city of Chicago and the state’s Law Enforcement Training and Standards Board.When the two governmental entities decertified the city’s Aviation Department and its employees as no longer being a law enforcement agency, they also retroactively erased their work histories and demoted them from police officers to security guards, plaintiffs Keia Yates, Leonardo Rodriguez and …