Merge pull request #10419 from twbs/doc-that-nav-lists-are-gone

add .nav-list & .nav-header to removals section of migration guide

getting-started.html

@@ -620,6 +620,11 @@ bootstrap/
             <td><code>.tabs-left</code> <code>.tabs-right</code> <code>.tabs-below</code></td>
             <td class="text-muted">N/A</td>
           </tr>
+          <tr>
+            <td>Nav lists</td>
+            <td><code>.nav-list</code> <code>.nav-header</code></td>
+            <td>No direct equivalent, but <a href="../components/#list-group">List groups</a> and <a href="../javascript/#collapse"><code>.panel-group</code>s</a> are similar.</td>
+          </tr>
         </tbody>
       </table>
     </div><!-- /.table-responsive -->