Amanda Frances, you will be missed. The reality star announced she’s leaving “The Real Housewives of Beverly Hills” after only one season in a lengthy Instagram post Wednesday, sharing behind-the-scenes pics from filming and noting her time on the Bravo series was “complete.” “Saying yes to this show was one of the boldest, wildest, most clarifying things I’ve ever done,” she reflected. “And I am genuinely grateful.” “Grateful for the experience. The women. The viewers who saw me, rooted for me, challenged me, quoted me, misunderstood me, defended me, found my work, bought my books, or simply watched me try to explain metaphysics in a room…