remove unused code

Author: jazzido

src/main/java/technology/tabula/ObjectExtractorStreamEngine.java

@@ -23,16 +23,13 @@
 
 class ObjectExtractorStreamEngine extends PDFGraphicsStreamEngine {
 
-    private static final String NBSP = "\u00A0";
-
     protected List<Ruling> rulings;
     private AffineTransform pageTransform;
     private boolean debugClippingPaths;
     private boolean extractRulingLines = true;
     private Logger log;
     private int clipWindingRule = -1;
     private GeneralPath currentPath = new GeneralPath();
-    public List<Shape> clippingPaths;
 
     protected ObjectExtractorStreamEngine(PDPage page) {
         super(page);
@@ -249,14 +246,6 @@ public Rectangle2D currentClippingPath() {
         return transformedClippingPath.getBounds2D();
     }
 
-    public boolean isDebugClippingPaths() {
-        return debugClippingPaths;
-    }
-
-    public void setDebugClippingPaths(boolean debugClippingPaths) {
-        this.debugClippingPaths = debugClippingPaths;
-    }
-
     class PointComparator implements Comparator<Point2D> {
         @Override
         public int compare(Point2D o1, Point2D o2) {