remove duped index attr

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@614363 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/ear.html

@@ -153,17 +153,6 @@ to a value other than its default, <code>&quot;add&quot;</code>.</b></p>
     false.</td>
     <td valign="top" align="center">No</td>
   </tr>
-  <tr>
-    <td valign="top">index</td>
-    <td valign="top">whether to create an <A
-    HREF="http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html#JAR%20Index">index
-    list</A> to speed up classloading.  This is a JDK 1.3+ specific
-    feature.  Unless you specify additional jars with nested <a
-    href="#indexjars"><code>indexjars</code></a> elements, only the
-    contents of this jar will be included in the index.  Defaults to
-    false.</td>
-    <td valign="top" align="center">No</td>
-  </tr>
   <tr>
     <td valign="top">update</td>
     <td valign="top">indicates whether to update or overwrite