code: function(self, options, callback) {
    if (typeof options === 'function') {
      callback = options;
      options = {};
    }
  
    options = options || self.writeConcern;
  
    if (self.fileId != null) {
      self.chunkCollection().remove({ files_id: self.fileId }, options, function(err) {
        if (err) return callback(err, false);
        callback(null, true);
      });
    } else {
      callback(null, true);
    }
  }
docs: Deletes all the chunks of this file in the database.
  
  @ignore