remove the throttle import

Author: standlove

src/main/java/com/cronos/onlinereview/util/ActionsHelper.java

@@ -128,7 +128,6 @@
 import com.topcoder.util.log.Level;
 import com.topcoder.util.log.Log;
 import com.topcoder.util.log.LogManager;
-import com.topcoder.web.common.throttle.Throttle;
 import com.topcoder.web.ejb.forums.Forums;
 import com.topcoder.web.ejb.forums.ForumsHome;