Bug 10113915: remove unused imports. r=florian.

browser/components/translation/BingTranslator.jsm

@@ -8,7 +8,6 @@ const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
 
 this.EXPORTED_SYMBOLS = [ "BingTranslation" ];
 
-Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/Log.jsm");
 Cu.import("resource://gre/modules/Promise.jsm");
 Cu.import("resource://gre/modules/Task.jsm");

browser/components/translation/Translation.jsm

@@ -8,9 +8,7 @@ this.EXPORTED_SYMBOLS = ["Translation"];
 
 const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
 
-Cu.import("resource://gre/modules/Promise.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 this.Translation = {
   supportedSourceLanguages: ["en", "zh", "ja", "es", "de", "fr", "ru", "ar", "ko", "pt"],

browser/components/translation/TranslationDocument.jsm

@@ -12,7 +12,6 @@ const SHOW_ELEMENT = Ci.nsIDOMNodeFilter.SHOW_ELEMENT;
 const SHOW_TEXT = Ci.nsIDOMNodeFilter.SHOW_TEXT;
 const TEXT_NODE = Ci.nsIDOMNode.TEXT_NODE;
 
-Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://services-common/utils.js");
 Cu.import("resource://gre/modules/Task.jsm");