Remove separate area for dropup's

Condense the dropup example

docs/_includes/components/dropdowns.html

@@ -4,7 +4,7 @@
   <p class="lead">Toggleable, contextual menu for displaying lists of links. Made interactive with the <a href="../javascript/#dropdowns">dropdown JavaScript plugin</a>.</p>
 
   <h3 id="dropdowns-example">Example</h3>
-  <p>Wrap the dropdown's trigger and the dropdown menu within <code>.dropdown</code>, or another element that declares <code>position: relative;</code>. Then add the menu's HTML.</p>
+  <p>Wrap the dropdown's trigger and the dropdown menu within <code>.dropdown</code>, or another element that declares <code>position: relative;</code>. Then add the menu's HTML. Dropdown menus can also be triggered above elements by adding <code>.dropup</code> to the parent.</p>
   <div class="bs-example" data-example-id="static-dropdown">
     <div class="dropdown clearfix">
       <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
@@ -17,6 +17,17 @@
         <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
       </ul>
     </div>
+    <div class="dropup clearfix">
+      <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
+        Dropdown
+        <span class="caret"></span>
+      </button>
+      <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
+        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
+        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
+        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
+      </ul>
+    </div>
   </div><!-- /example -->
 {% highlight html %}
 <div class="dropdown">
@@ -31,24 +42,6 @@
     <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Separated link</a></li>
   </ul>
 </div>
-{% endhighlight %}
-
-  <h3 id="dropdowns-dropup">Dropup variation</h3>
-  <p>Trigger dropdown menus above elements by adding <code>.dropup</code> to the parent.</p>
-  <div class="bs-example" data-example-id="static-dropup">
-    <div class="dropup clearfix">
-      <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
-        Dropdown
-        <span class="caret"></span>
-      </button>
-      <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
-        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Action</a></li>
-        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another action</a></li>
-        <li role="presentation"><a role="menuitem" tabindex="-1" href="#">Something else here</a></li>
-      </ul>
-    </div>
-  </div><!-- /example -->
-{% highlight html %}
 <div class="dropup">
   <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu2" data-toggle="dropdown" aria-expanded="true">
     Dropdown