Don't use "objects" in lib/compiler/passes/generate-js.js

The "objects" module will be removed.

See #442.

lib/compiler/passes/generate-js.js

@@ -1,7 +1,6 @@
 "use strict";
 
-let objects = require("../../utils/objects"),
-    asts    = require("../asts"),
+let asts    = require("../asts"),
     op      = require("../opcodes"),
     js      = require("../js");
 
@@ -1279,8 +1278,8 @@ function generateJS(ast, options) {
       },
 
       amd: function() {
-        let dependencyIds  = objects.values(options.dependencies),
-            dependencyVars = Object.keys(options.dependencies),
+        let dependencyVars = Object.keys(options.dependencies),
+            dependencyIds  = dependencyIds.map(v => options.dependencies[v]),
             dependencies   = '['
               + dependencyIds.map(
                   id => '"' + js.stringEscape(id) + '"'
@@ -1317,8 +1316,8 @@ function generateJS(ast, options) {
 
       umd: function() {
         let parts          = [],
-            dependencyIds  = objects.values(options.dependencies),
             dependencyVars = Object.keys(options.dependencies),
+            dependencyIds  = dependencyIds.map(v => options.dependencies[v]),
             dependencies   = '['
               + dependencyIds.map(
                   id => '"' + js.stringEscape(id) + '"'