Buckle up, here comes a rant of “Marie Antoinette” proportions. #FirstWorldProblems, indeed. But it needs to be said. Or rather, asked: Why does every beauty product smell like “Birthday Cake?”?!?!? I, too, remember the heady days of 2011, when everything was “Birthday Cake” flavored. Birthday Cake truffles! Birthday Cake cookies! Birthday Cake chewing gum!…