TAP5-2679: Checklist component: removing outdated documentation

Thanks Volker Lamp for notificing this!
diff --git a/tapestry-core/src/main/java/org/apache/tapestry5/corelib/components/Checklist.xdoc b/tapestry-core/src/main/java/org/apache/tapestry5/corelib/components/Checklist.xdoc
index 40026d7..8811d85 100644
--- a/tapestry-core/src/main/java/org/apache/tapestry5/corelib/components/Checklist.xdoc
+++ b/tapestry-core/src/main/java/org/apache/tapestry5/corelib/components/Checklist.xdoc
@@ -99,18 +99,5 @@
             </subsection>
         </section>
 
-        <section name="Notes">
-
-            <p>The Checklist component can be customized through CSS. Following CSS rules are used:</p>
-
-
-            <dl>
-                    <dt>t-checklist-row</dt>
-                    <dd>Each checkbox and its label is enclosed by a div element whose css attribute is set to t-checklist-row.</dd>
-
-            </dl>
-
-        </section>
-
     </body>
 </document>
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