removing a cautionary note that has been obsoleted by recent changes to jQuery.

index.html

@@ -1723,13 +1723,6 @@ var DocumentView = Backbone.View.extend({
 });
 </pre>
 
-    <p class="warning">
-      <b>Cautionary Note:</b> The "delegateEvents" function is
-      limited to events that work with delegation. "focus" and "blur" do not
-      bubble, and cannot be delegated, and "change", "submit", and "reset"
-      events do not bubble in current versions of Internet Explorer.
-    </p>
-
     <h2 id="examples">Examples</h2>
 
     <p>