options: remove dead chrome.send() from "Import data" overlay.

Fixes a DCHECK() when this message isn't handled.

R=isherman@chromium.org
BUG=354324

Review URL: https://codereview.chromium.org/260483002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@267475 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options/import_data_overlay.js

@@ -62,13 +62,6 @@ cr.define('options', function() {
         chrome.send('chooseBookmarksFile');
       };
 
-      $('import-data-show-bookmarks-bar').onchange = function() {
-        // Note: The callback 'toggleShowBookmarksBar' is handled within the
-        // browser options handler -- rather than the import data handler --
-        // as the implementation is shared by several clients.
-        chrome.send('toggleShowBookmarksBar');
-      }
-
       $('import-data-confirm').onclick = function() {
         ImportDataOverlay.dismiss();
       };