Fix javadoc.
remove old description.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1832149 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java b/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
index 0dbb663..1f5efc0 100644
--- a/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
+++ b/java/org/apache/catalina/ha/session/JvmRouteBinderValve.java
@@ -48,9 +48,7 @@
  * restarted!
  *
  * <p>
- * Add this Valve to your host definition at conf/server.xml .
- *
- * Since 5.5.10 as direct cluster valve:<br>
+ * Add this Valve to your cluster definition at conf/server.xml .
  *
  * <pre>
  *  &lt;Cluster&gt;
@@ -58,15 +56,6 @@
  *  &lt;/Cluster&gt;
  * </pre>
  *
- * <br>
- * Before 5.5.10 as Host element:<br>
- *
- * <pre>
- *  &lt;Host&gt;
- *  &lt;Valve className=&quot;org.apache.catalina.ha.session.JvmRouteBinderValve&quot; /&gt;
- *  &lt;/Host&gt;
- * </pre>
- *
  * <em>A Trick:</em><br>
  * You can enable this mod_jk turnover mode via JMX before you drop a node to
  * all backup nodes! Set enable true on all JvmRouteBinderValve backups, disable