Remove @Override annotation on interface.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1669139 13f79535-47bb-0310-9956-ffa450edef68

src/test/java/org/apache/commons/collections4/bag/TreeBagTest.java

@@ -77,7 +77,6 @@ public class TreeBagTest<T> extends AbstractSortedBagTest<T> {
         }
         
         final Bag<String> bag2 = new TreeBag<String>(new Comparator<String>() {
-            @Override
             public int compare(String o1, String o2) {
                 return o1.compareTo(o2);
             }