Comment out require in conditional block.

Author: busykai

src/utils/Global.js

@@ -107,9 +107,9 @@ define(function (require, exports, module) {
     };
 
     // Create empty app namespace if running in-browser
-    if (!global.brackets.app) {
-        global.brackets.app = require("appShellImpl");
-    }
+//    if (!global.brackets.app) {
+//        global.brackets.app = require("appShellImpl");
+//    }
 
     // Loading extensions requires creating new require.js contexts, which
     // requires access to the global 'require' object that always gets hidden