[cros] Remove gray rectangle for focused user.

BUG=116279
TEST=Manual.


Review URL: http://codereview.chromium.org/9840001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@128208 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/chromeos/login/user_pod_row.css

@@ -39,7 +39,6 @@ podrow {
 }
 
 .pod.focused {
-  background-color: #ebebeb;
   cursor: default;
 }