SPRINGFIELD — Republicans in the Illinois House said Tuesday that they hope to use legislation, instead of a constitutional amendment, to change the way state legislative and congressional district lines are redrawn every 10 years.The so-called “fair maps” proposal would authorize the General Assembly to set up an independent, nonpartisan commission to redraw the lines, taking that highly political process out of the hands of legislators who currently are able to use that process to protect themselves politically, a …