Caitlyn Jenner clapped back at critics who compared her 2015 fatal car accident to the murders of Nicole Brown Simpson and Ron Goldman. Jenner doubled down on her celebration ofO.J. Simpson’s death, making it clear she wouldn’t be apologizing for her comments, RadarOnline.com has learned. Jenner faced backlash after she posted “Good Riddance #OJSimpson” on X Thursday following the news of Simpson’s death. The former NFL star, who was acquitted of the 1994 murders of his ex-wife and Goldman, died on Wednesday after a brief battle with prostate cancer. As Jenner’s post made rounds on social medi…