removed mention of old legacy index from indexing page

also updated mention of current from 2.2 to 3.0

Author: duncdrum

data/indexing.xml

@@ -16,7 +16,7 @@
                 understanding of XML and XQuery.</para>
             <para>Database indexes are used extensively by eXist-db to facilitate efficient querying of
                 the database. This is accomplished both by system-generated and user-configured
-                database indexes. The current (2.2) version of eXist-db by default includes the following
+                database indexes. The current (3.0) version of eXist-db by default includes the following
                 types of indexes:</para>
             <note>
                 <para>Properly configured indexes have a huge impact on database performance! Some
@@ -49,13 +49,13 @@
                         </emphasis>: These map specific text nodes and attributes of the documents
                         in a collection to typed values.</para>
                 </listitem>
-                <listitem>
+                <!--<listitem>
                     <para>
                         <emphasis>
                             <ulink url="ftlegacy.xml">Legacy Full Text Indexes</ulink>
                         </emphasis>: These map specific text nodes and attributes of the documents in
                         a collection to text tokens.</para>
-                </listitem>
+                </listitem>-->
                 <listitem>
                     <para>
                         <emphasis>