code: function (channelIdentifier, dataIdentifier) {
        var path;
        if (channelIdentifier && dataIdentifier) {
          path = this.constructPath(constants.CHANNELS, channelIdentifier, constants.DATA, dataIdentifier);
          return this.Core.DELETE(path);
        } else {
          return this.rejectRequest('Bad Request: A channel identifier and a data point identifier are required.');
        }
      }
docs: Delete a data point from a channel
  @param  {String|Integer} channelIdentifier A Robin channel identifier
  @param  {String|Integer} dataIdentifier    A Robin channel data point identifier
  @return {Function}                         A Promise