Make it work with any version of the JDK. fixes MPJAVA-22.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@116120 13f79535-47bb-0310-9956-ffa450edef68

java/xdocs/properties.xml

@@ -176,9 +176,7 @@
             <p>
               Corresponds to the <code>target</code> attribute for the ant 
               <a href="http://ant.apache.org/manual/CoreTasks/javac.html">javac</a>
-              task.
-              This value defaults to 1.1 so that builds on JDK 1.4 or later stil work on
-              earlier JVMs.
+              task. This value defaults to the Ant task default value.
             </p>
           </td>
         </tr>