Remove link to navigation package as it is now included in base

Author: Gert-dev

index.html

@@ -199,9 +199,9 @@ <h3 id="code-navigation">Code navigation</h3>
                     Navigating will immediately take you to the relevant location in your code base.
                 </p>
 
-                <p class="small-text">
+                <!-- <p class="small-text">
                     <a href="https://github.com/php-integrator/atom-navigation">View the source</a>
-                </p>
+                </p> -->
             </div>
         </div>