removed unneeded parens

#131

Author: cicirello

src/org/cicirello/permutations/distance/ReversalDistance.java

@@ -48,7 +48,7 @@
 * <p>We have not used this for N &gt; 10.  Warning: time to construct distance measure increases factorially.</p>
 *
 * @author <a href=https://www.cicirello.org/ target=_top>Vincent A. Cicirello</a>, <a href=https://www.cicirello.org/ target=_top>https://www.cicirello.org/</a>
-* @version 4.2.2021
+* @version 5.13.2021
 */
 public final class ReversalDistance implements NormalizedPermutationDistanceMeasurer {
 
@@ -128,7 +128,7 @@ public int distance(Permutation p1, Permutation p2) {
 		for (int i = 0; i < inv1.length; i++) {
 			r2[i] = inv1[p2.get(i)];
 		}
-		return dist[(new Permutation(r2)).toInteger()];
+		return dist[new Permutation(r2).toInteger()];
 	}	
 
 	/**