code: function (node, validation) {
  
              var self = this;
  
              validation = self._splitValidation(validation);
              if (!validation) {
                  return false;
              }
  
              return node.each(function () {
  
                  var $this = $(this),
                      validationData = $this.attr(_data.validation),
                      validationArray = (validationData && validationData.length) ? self._splitValidation(validationData) : [],
                      oneValidation,
                      validationIndex;
  
                  if (!validationArray.length) {
                      $this.removeAttr(_data.validation);
                      return true;
                  }
  
                  for (var i = 0; i < validation.length; i++) {
                      oneValidation = self._formatValidation(validation[i]);
                      validationIndex = $.inArray(oneValidation, validationArray);
                      if (validationIndex !== -1) {
                          validationArray.splice(validationIndex, 1);
                      }
  
                  }
  
                  if (!validationArray.length) {
                      $this.removeAttr(_data.validation);
                      return true;
                  }
  
                  $this.attr(_data.validation, self._joinValidation(validationArray));
  
              });
  
          }
docs: API method to handle the removal of "data-validation" arguments.
  
  @param {Object} node jQuery objects
  @param {String|Array} validation arguments to remove in the node(s) "data-validation"
  
  @returns {*}