Fix unused code

src/main/java/be/cylab/java/wowa/training/SolutionAUC.java

@@ -21,8 +21,6 @@ public class SolutionAUC extends AbstractSolution {
             final List<double[]> data,
             final double[] expected) {
         this.fitness_score = 0;
-        double[] aggregated_values = new double[data.size()];
-        WOWA wowa = new WOWA(this.weights_w, this.weights_p);
         this.fitness_score = -(Utils.computeAUC(this, data, expected));
     }
 }