Wilson Chapman editorStand-up comedian, writer and actor Jak Knight, best known for co-creating and starring in the Peacock comedy series “Bust Down” and for his work on “Pause With Sam Jay,” died Thursday night in Los Angeles, his family announced. A cause of death was not given. He was 28.Knight co-created “Bust Down,” which premiered this March, with Jay, Langston Kerman and Chris Redd, all of whom starred in the series.