Laravel: remove file with Dropzone

gistfile1.txt

removedfile: function(file) {
    var name = file.name;  
    var token = $('[name=_token').val();
    var dir = $('[name=dir]').val();
    console.log(file.name);      
    $.ajax({
        type: 'POST',
        headers: {'X-CSRF-Token': token},
        url: '/delete-gallery-image',
        data: {id: name, dir: dir },
        dataType: 'html'
    });
    var _ref;
    return (_ref = file.previewElement) != null ? _ref.parentNode.removeChild(file.previewElement) : void 0;
    availableImages = availableImages + 1;
}