message: remove fields param from list receiver
diff: @@ -703,11 +703,11 @@ function Facebookbot(configuration) {
  };
  var handover = {
  - get_secondary_receivers_list: function(fields, cb) {
  + get_secondary_receivers_list: function(cb) {
  request.get({
  url: 'https://' + api_host + '/v2.6/me/secondary_receivers',
  qs: {
  - fields: fields ? fields : 'id,name',
  + fields: 'id,name',
  access_token: configuration.access_token
  },
  json: true
  