The former supermodel, 57, offers an honest look at what it means to be an older woman in her new memoir, ‘No Filter’ — Paulina Porizkova was one of those faces that I saw repeatedly when I was in my 20s, whether in ads, on the cover of magazines like Vogue, Sports Illustrated or People, which twice dubbed her as one of the “50 Most Beautiful People in the World,” or in pictures with…