WASHINGTON — The Supreme Court on Monday removed an obstacle to Alabama using a new congressional map in this year’s election that would eliminate one of the state’s two majority-Black districts . The court, over the objection of its liberal members, sent litigation over the Republican-drawn map back to the lower court , which could speed up the state’s effort to use its map. The state has been battling civil rights plaintiffs for years over its congressional map, with a focus on whether a