Mention the removal of Component support

index.html

@@ -475,9 +475,6 @@ <h2>Installation</h2>
       <li>
         <b>Bower</b> <tt>bower install underscore</tt>
       </li>
-      <li>
-        <b>Component</b> <tt>component install jashkenas/underscore</tt>
-      </li>
       <li>
         <b>ExtendScript</b> <tt>#include "underscore.js"</tt>
       </li>
@@ -2487,6 +2484,10 @@ <h2 id="changelog">Change Log</h2>
             Adds support for several environments including: WebWorkers,
             browserify and ES6 imports.
           </li>
+          <li>
+            Removes the <tt>component.json</tt> as the Component package
+            management system is discontinued.
+          </li>
           <li>
             The placeholder used for partial is now configurable by setting
             <code>_.partial.placeholder</code>.