There are few remaining survivors of concentration camps. Ed Mosberg is one of them. And the 93-year-old from Morris Plains, NJ, has no time for Rep. Alexandria Ocasio-Cortez’s statements last week, when she called the southern border’s migrant detention centers “concentration camps.” “She should be removed from Congress. She’s spreading anti-Semitism, hatred and stupidity,” Mosberg told The Post. “The people on the border aren’t forced to be there — they go there on their own will. If someone doesn’t know the difference, either they’re playing stupid or they just don’t care.” On June 18, the Bronx/Queens politician posted a video...