Method revoke

app/models/Prepaid.js:119–126

(user, options)

    }

    revoke (user, options) {
      if (options == null) { options = {} }
      options.url = _.result(this, 'url') + '/redeemers'
      options.type = 'DELETE'
      if (options.data == null) { options.data = {} }
      options.data.userID = user.id || user
      return this.fetch(options)
    }

    convertToProduct () {
      return {