ATLANTA — A Georgia Senate committee voted unanimously Tuesday to remove every contentious proposal from a broad elections bill, discarding plans for GBI fraud investigations, paper ballot inspections and funding limitations. The decision to advance a stripped-down bill sets up a showdown in the final days of this year’s legislative session, when lawmakers will attempt to negotiate a final version. The Senate Ethics Committee scrapped much of the bill after hearing testimony Monday from several county election officials who opposed strict ballot handling rules and restrictions on outside donat…