[css-flexbox] Make example more awkward by removing an item.

Author: fantasai

css-flexbox/Overview.bs

@@ -746,7 +746,7 @@ Collapsed Items</h3>
 			        <ul>
 			          <li><a href="#">Blog</a>
 			          <li><a href="#">Forums</a>
-			          <li><a href="#">Events</a>
+			          <!-- li><a href="#">Events</a> -->
 			        </ul>
 			    </ul>
 			  </nav>

css-flexbox/Overview.html

@@ -1323,7 +1323,7 @@ <h3 class="heading settled" data-level="4.4" id="visibility-collapse"><span clas
 	still operate on collapsed items.</p>
 
 
-   <div class="example" id="example-20ddca23"><a class="self-link" href="#example-20ddca23"></a>
+   <div class="example" id="example-84f3b8fd"><a class="self-link" href="#example-84f3b8fd"></a>
 		In the following example,
 		a sidebar is sized to fit its content.
 		<a class="css" data-link-type="propdesc" href="http://dev.w3.org/csswg/css2/visufx.html#propdef-visibility">visibility: collapse</a> is used to dynamically hide parts of a navigation sidebar
@@ -1377,7 +1377,6 @@ <h3 class="heading settled" data-level="4.4" id="visibility-collapse"><span clas
 
           <li><a href="#">Forums</a>
 
-          <li><a href="#">Events</a>
 
          </ul>