移除require-upload.js的中x-requested-with

@@ -8271,7 +8271,6 @@ define('upload',['jquery', 'bootstrap', 'plupload', 'template'], function ($, un
                         container: $(this).parent().get(0), //取按钮的上级元素
                         flash_swf_url: '/assets/libs/plupload/js/Moxie.swf',
                         silverlight_xap_url: '/assets/libs/plupload/js/Moxie.xap',
-                        headers: {'X-REQUESTED-WITH': 'XMLHttpRequest'},
                         filters: {
                             max_file_size: maxsize,
                             mime_types: mimetype

@@ -119,7 +119,6 @@ define(['jquery', 'bootstrap', 'plupload', 'template'], function ($, undefined,
                         container: $(this).parent().get(0), //取按钮的上级元素
                         flash_swf_url: '/assets/libs/plupload/js/Moxie.swf',
                         silverlight_xap_url: '/assets/libs/plupload/js/Moxie.xap',
-                        headers: {'X-REQUESTED-WITH': 'XMLHttpRequest'},
                         filters: {
                             max_file_size: maxsize,
                             mime_types: mimetype