bug 1523104: remote: release test_Session.js under CC-0; r=ochameau

remote/test/unit/test_Session.js

@@ -1,6 +1,5 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
 
 "use strict";