Oobe: fix css for enterprise enrollment error screen

display:table should be removed since we are now using style from oobe-dialog.

Bug: 1021608
Change-Id: I779291ef6ddd94fd83c0ed0922f53d29c4c403f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2421649Reviewed-by: Denis Kuznetsov [CET] <antrim@chromium.org>
Commit-Queue: Yunke Zhou <yunkez@google.com>
Cr-Commit-Position: refs/heads/master@{#809206}

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

@@ -16,12 +16,6 @@
   color: #666;
 }
 
-#step-error {
-  display: table;
-  height: 480px;
-  margin: 0 auto;
-}
-
 #authView {
   display: block;
   overflow: hidden;