Fix OPENDJ-525: Remove compiler warnings when building using JDK7

Matthew Swift

19.26.2012 108e2020c1d149962dfc43dcbc6bc24a05a8e5f7

 opends/src/build-tools/org/opends/build/tools/Utilities.java

@@ -25,8 +25,6 @@
 *      Copyright 2008 Sun Microsystems, Inc.
 */
package org.opends.build.tools;
import org.opends.messages.Message;

import java.util.StringTokenizer;

/**