hide select file image admin

public/backend/js/plugins/summernote/summernote.js

@@ -4473,7 +4473,7 @@
                   //  '<div class="note-group-select-from-files">' +
                   //  '<h5>' + lang.image.selectFromFiles + '</h5>' +
                   //  '<input class="note-image-input" type="file" name="files" accept="image/*" />' +
-                   '</div>' +
+                  //  '</div>' +
                    '<h5>' + lang.image.url + '</h5>' +
                    '<input class="note-image-url form-control span12" type="text" />';
         var footer = '<button href="#" class="btn btn-primary note-image-btn disabled" disabled>' + lang.image.insert + '</button>';