Caroline Framke Chief TV CriticWhen Tina Fey announced that “30 Rock” would remove four episodes featuring blackface (or what she called “race-changing makeup”) from streaming services, she said that it was because she wanted to “do the work and do better in regards to race in America.” Soon thereafter, episodes featuring approximations of blackface from “Community,” “Scrubs,” and “The Golden Girls” were pulled offline and a scene from “The Office” was cut from Netflix, all ostensibly in