Bug 1568779 - Remove editors settings comments in devtools files. r=pbro.

Differential Revision: https://phabricator.services.mozilla.com/D42300

devtools/client/inspector/markup/markup-context-menu.js

@@ -1,5 +1,3 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
 /* 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/. */