she would no longer be the host of “Jeopardy!” in December.On Dec. 15, Bialik surprised “Jeopardy!” fans by announcing that just a year and a half after she and Ken Jennings were named permanent co-hosts of the show, a big change had happened.“As the holiday break begins in Hollywood, I have some Jeopardy! news,” the 48-year-old actress wrote in a statement on her Instagram.