Remove an incorrect @Override of an interface method

Review at http://gwt-code-reviews.appspot.com/255802

Review by: spoon@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7770 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/dev/core/test/com/google/gwt/core/ext/linker/impl/SelectionScriptJavaScriptTest.java b/dev/core/test/com/google/gwt/core/ext/linker/impl/SelectionScriptJavaScriptTest.java
index a9eabe8..479d695 100644
--- a/dev/core/test/com/google/gwt/core/ext/linker/impl/SelectionScriptJavaScriptTest.java
+++ b/dev/core/test/com/google/gwt/core/ext/linker/impl/SelectionScriptJavaScriptTest.java
@@ -214,7 +214,6 @@
 
     final List<String> alerts = new ArrayList<String>();
     webClient.setAlertHandler(new AlertHandler() {
-      @Override
       public void handleAlert(Page page, String msg) {
         alerts.add(msg);
       }