Sometimes you come across a filmmaker whose works you just don’t like. And now, after two features in, I can honestly say that about writer-director Emerald Fennell. I didn’t care much for her debut outing, “Promising Young Woman” (2020), and I can say the same (and more) about her follow-up effort, “Saltburn.” This alleged thriller about a seemingly awkward but quietly sinister Oxford student (Barry Keoghan) who ingratiates himself into a family of wealthy English aristocrats features a story and characters about whom, quite frankly, I couldn’t care less. (Think “The Killing of a Sacred Deer”...