Bug 1514594: Follow-up: Remove unused imports merged from autoland. a=eslint-fix

toolkit/components/antitracking/test/browser/browser_storageAccessPromiseRejectHandlerUserInteraction.js

@@ -1,4 +1,4 @@
-const {Services} = ChromeUtils.import('resource://gre/modules/Services.jsm');
+const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");
 
 AntiTracking.runTest("Storage Access API returns promises that maintain user activation for calling its reject handler",
   // blocking callback

toolkit/components/extensions/test/xpcshell/test_ext_incognito.js

@@ -1,8 +1,6 @@
 /* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
 /* vim: set sts=2 sw=2 et tw=80: */
 "use strict";
-const {AddonManager, AddonManagerPrivate} = ChromeUtils.import("resource://gre/modules/AddonManager.jsm");
-const {Extension, ExtensionData} = ChromeUtils.import("resource://gre/modules/Extension.jsm");
 
 AddonTestUtils.init(this);
 AddonTestUtils.overrideCertDB();

toolkit/components/extensions/test/xpcshell/test_ext_permissions_uninstall.js

@@ -1,8 +1,6 @@
 "use strict";
 
-const {AddonManager} = ChromeUtils.import("resource://gre/modules/AddonManager.jsm");
 const {ExtensionPermissions} = ChromeUtils.import("resource://gre/modules/ExtensionPermissions.jsm");
-const {OS} = ChromeUtils.import("resource://gre/modules/osfile.jsm");
 
 AddonTestUtils.init(this);
 AddonTestUtils.overrideCertDB();