Facebook on Thursday said that it would discontinue its Facebook News tab in the United States and Australia, starting in early April. Facebook also said in an update published on Thursday that it would not enter new commercial deals for news content on Facebook News in Australia, France and Germany once existing agreements with publishers in those countries expire. Its deals with British and US publishers have already expired. The company said it does not foresee launching new products specifically tailored for news publishers in the future. The news comes three years after Facebook agreed to…