removing links to github in favor of downloading a zipfile from github

src/site/docs/tutorials/remove-elements/index.markdown

 ---
 layout: default
 title: "Remove DOM Elements"
 description: "Remove a child element from the DOM"
 has-permalinks: true
 tutorial:
   id: remove-elements
 next: shared-pkgs/
 next-title: "Install Shared Packages"
 prev: add-elements/
 prev-title: "Add Elements to the DOM"
 ---
 
 {% capture whats_the_point %}
 
 * Use _element_.remove() to remove an element from the DOM.
 * Remove all children from an element with _element_.children.clear().
 * Function expressions are a convenient way to define single-use functions.
 * => is a shorthand syntax for defining functions that contain just one
 expression.
 
 {% endcapture %}
 
 {% capture sample_links %}
 
+<p> This tutorial features this example:</p>
+* todo_with_delete
+
 <p>
-Get the source code for the sample featured in this tutorial:</p>
-
-<ul>
-  <li>
-    <a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/remove-elements/todo_with_delete"
-       target="_blank">todo_with_delete</a>
-  </li>
-</ul>
+Don't have the source code?
+<a href="https://github.com/dart-lang/dart-tutorials-samples/archive/master.zip">
+  Download it.
+</a>
 
 {% endcapture %}
 
 {% capture content %}
 
 <div class="tute-target-title">
 <h1>{{page.title}}</h1>
 <h3>Dynamically delete items from the browser page.</h3>
 </div>
 
@@ skipping 26 matching lines @@
 the item turns red and gets slightly larger.
 Click it and it disappears from the list.
 Use the **Delete All** button
 to remove all of the items in the list at once.
 
 <iframe class="running-app-frame"
         style="height:250px;width:300px;"
         src="examples/todo_with_delete/todo_with_delete.html">
 </iframe>
 
-You can find the complete source code for this sample on github at
-<a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/remove-elements/todo_with_delete"
-target="_blank">todo_with_delete</a>.
-
 The remaining sections describe
 key aspects of the code 
 added to the todo app for this tutorial.
 Specifically, they look at
 the Dart code that removes one or more elements from the DOM
 and the CSS code that makes the text red and larger.
 
 ##Changing the appearance when cursor is over an element {#css-hover}
 
 As you saw, an item in the list turns red and gets bigger
@@ skipping 155 matching lines @@
 
 * One of those packages is Polymer.dart,
 which makes manipulating the DOM even easier
 with data binding, templates, and declarative event handlers.
 Check out [Define a Custom Element](/docs/tutorials/polymer-intro)
 for an introduction to Polymer.
 
 {% endcapture %}
 
 {% include tutorial.html %}