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diff --git a/tools/addon-sdk-1.4/packages/api-utils/lib/keyboard/hotkeys.js b/tools/addon-sdk-1.4/packages/api-utils/lib/keyboard/hotkeys.js
deleted file mode 100644
index 6851671..0000000
--- a/tools/addon-sdk-1.4/packages/api-utils/lib/keyboard/hotkeys.js
+++ /dev/null
@@ -1,141 +0,0 @@
-/* vim:set ts=2 sw=2 sts=2 et: */
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Jetpack.
- *
- * The Initial Developer of the Original Code is
- * the Mozilla Foundation.
- * Portions created by the Initial Developer are Copyright (C) 2011
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *   Irakli Gozalishvili <gozala@mozilla.com> (Original Author)
- *   Paul Vet <original.roju@gmail.com>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-"use strict";
-
-const { observer: keyboardObserver } = require("./observer");
-const { getKeyForCode, normalize, isFunctionKey,
-        MODIFIERS } = require("./utils");
-
-/**
- * Register a global `hotkey` that executes `listener` when the key combination
- * in `hotkey` is pressed. If more then one `listener` is registered on the same
- * key combination only last one will be executed.
- *
- * @param {string} hotkey
- *    Key combination in the format of 'modifier key'.
- *
- * Examples:
- *
- *     "accel s"
- *     "meta shift i"
- *     "control alt d"
- *
- * Modifier keynames:
- *
- *  - **shift**: The Shift key.
- *  - **alt**: The Alt key. On the Macintosh, this is the Option key. On
- *    Macintosh this can only be used in conjunction with another modifier,
- *    since `Alt+Letter` combinations are reserved for entering special
- *    characters in text.
- *  - **meta**: The Meta key. On the Macintosh, this is the Command key.
- *  - **control**: The Control key.
- *  - **accel**: The key used for keyboard shortcuts on the user's platform,
- *    which is Control on Windows and Linux, and Command on Mac. Usually, this
- *    would be the value you would use.
- *
- * @param {function} listener
- *    Function to execute when the `hotkey` is executed.
- */
-exports.register = function register(hotkey, listener) {
-  hotkey = normalize(hotkey);
-  hotkeys[hotkey] = listener;
-};
-
-/**
- * Unregister a global `hotkey`. If passed `listener` is not the one registered
- * for the given `hotkey`, the call to this function will be ignored.
- *
- * @param {string} hotkey
- *    Key combination in the format of 'modifier key'.
- * @param {function} listener
- *    Function that will be invoked when the `hotkey` is pressed.
- */
-exports.unregister = function unregister(hotkey, listener) {
-  hotkey = normalize(hotkey);
-  if (hotkeys[hotkey] === listener)
-    delete hotkeys[hotkey];
-};
-
-/**
- * Map of hotkeys and associated functions.
- */
-const hotkeys = exports.hotkeys = {};
-
-keyboardObserver.on("keydown", function onKeypress(event, window) {
-  let key, modifiers = [];
-  let isChar = "isChar" in event && event.isChar;
-  let which = "which" in event ? event.which : null;
-  let keyCode = "keyCode" in event ? event.keyCode : null;
-
-  if ("shiftKey" in event && event.shiftKey)
-    modifiers.push("shift");
-  if ("altKey" in event && event.altKey)
-    modifiers.push("alt");
-  if ("ctrlKey" in event && event.ctrlKey)
-    modifiers.push("control");
-  if ("metaKey" in event && event.metaKey)
-    modifiers.push("meta");
-
-  // If it's not a printable character then we fall back to a human readable
-  // equivalent of one of the following constants.
-  // http://mxr.mozilla.org/mozilla-central/source/dom/interfaces/events/nsIDOMKeyEvent.idl
-  key = getKeyForCode(keyCode);
-
-  // If only non-function (f1 - f24) key or only modifiers are pressed we don't
-  // have a valid combination so we return immediately (Also, sometimes
-  // `keyCode` may be one for the modifier which means we do not have a
-  // modifier).
-  if (!key || (!isFunctionKey(key) && !modifiers.length) || key in MODIFIERS)
-    return;
-
-  let combination = normalize({ key: key, modifiers: modifiers });
-  let hotkey = hotkeys[combination];
-
-  if (hotkey) {
-    try {
-      hotkey();
-    } catch (exception) {
-      console.exception(exception);
-    } finally {
-      // Work around bug 582052 by preventing the (nonexistent) default action.
-      event.preventDefault();
-    }
-  }
-});