function (deviceIdentifier, identifierUrn) {
      var path;
      if (deviceIdentifier && identifierUrn) {
        path = this.constructPath(constants.DEVICES, deviceIdentifier, constants.IDENTIFIERS, identifierUrn);
        return this.Core.DELETE(path);
      } else {
        return this.rejectRequest('Bad Request: A device identifier and an identifier id are required.');
      }
    }
function (deviceIdentifier, identifierUrn) {
      var path;
      if (deviceIdentifier && identifierUrn) {
        path = this.constructPath(constants.DEVICES, deviceIdentifier, constants.IDENTIFIERS, identifierUrn);
        return this.Core.DELETE(path);
      } else {
        return this.rejectRequest('Bad Request: A device identifier and an identifier id are required.');
      }
    }
function ( deviceIdentifier , identifierUrn ) { var path ; if ( deviceIdentifier && identifierUrn ) { path = this . constructPath ( constants . DEVICES , deviceIdentifier , constants . IDENTIFIERS , identifierUrn ) ; return this . Core . DELETE ( path ) ; } else { return this . rejectRequest ( 'Bad Request: A device identifier and an identifier id are required.' ) ; } }
Delete an identifier from a device
@param  {String|Integer} deviceIdentifier A Robin device identifier
@param  {String|Integer} identifierUrn    A Robin identifier URN
@return {Function}                        A Promise
Delete an identifier from a device