Anita Baker, 65-year-old R&B legend, is currently in the middle of her “Songstress” tour, in honor of the 40th anniversary of her solo debut album. When she announced that Kenneth Brian Edmonds, 64, a fellow R&B icon who’s best known by his stage name, Babyface, would join as an opening act, every Black auntie in the nation rejoiced and swiftly bought their tickets. But, after a show cancellation that enraged some on social media and a monthlong Twitter feud between Baker and Babyface’s fans, Baker announced on Tuesday that Babyface will no longer be opening for her as she completes…