DoNothinAction Cleanup

Removing useless method override.

Author: jeremiahjstacey

src/main/java/org/owasp/esapi/waf/actions/DoNothingAction.java

@@ -22,10 +22,6 @@
  */
 public class DoNothingAction extends Action {
 
-    public boolean failedRule() {
-        return this.failed;
-    }
-
 
     public boolean isActionNecessary() {
         return false;