code: function (id, values) {
              var self = this;
              var query = { _id: waterline.nodes.mongo.objectId(id) };
              var update = {
                  $pullAll: values
              };
              var options = {new: true};
              return self.updateAndFindMongo(query, update, options);
          }
docs: Using an id, find document and delete one or more items
  from a list of this document, the values provided specifies the list and items.
  Returns a waterline (bluebird) promise with the document find and modify
  
  @param {string} id
  @param {Object} values {field: [value]}
  @returns {Promise}