Remove leftover references to login.refresh_login_screen()

BUG=chromium-os:19381
TEST=sync integration tests

Change-Id: Icbe0da8db7f9dab23267c9995449c91ae1165448
Reviewed-on: http://gerrit.chromium.org/gerrit/6292
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Tested-by: Nirnimesh <nirnimesh@chromium.org>
4 files changed