Cleanup: fix some CSS comment styles (especially copyrights)

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

 /* Copyright (c) 2013 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
+ * found in the LICENSE file. */
 
 #terms-of-service {
   padding: 70px 17px 21px;
 }
 
 #tos-container {
   border: 1px solid #d9d9d9;
   height: 222px;
 }
 
@@ skipping 69 matching lines @@
   display: none;
 }
 
 .step.error #tos-error {
   display: -webkit-flex;
 }
 
 #terms-of-service.error #tos-back-button {
   -webkit-margin-end: 1px;
 }