feat(submit): add user media library

assets/js/runtime/main.js

@@ -1364,17 +1364,6 @@ _win.bd.on('click', '.switch-iframe', function () {
     _this.addClass('active').siblings().removeClass('active');
 });
 
-//下载文件
-_win.bd.on('click', '.file-download-btn', function () {
-    var _this = jQuery(this);
-    var id = _this.attr('data-download-file');
-    var nonce = _this.attr('download-nonce');
-    _this.attr('target', '_blank');
-    if (!id) return;
-    var href = _win.ajax_url + '?action=download_file&file=' + id + '&nonce=' + nonce;
-    _this.attr('target', '_blank').removeAttr('data-download-file').attr('href', href);
-});
-
 //文章古腾堡TAB
 _win.bd.on('click', '.post-tab-toggle', function () {
     var _this = jQuery(this);