This is the followup we need to do after #6406 to remove dead code.

},
  /**
   * Deletes an attributes from a node.
   *
   * @param {DOMElement} node
   * @param {string} name
   */
  deleteValueForAttribute: function(node, name) {
    node.removeAttribute(name);
    if (__DEV__) {
      ReactDOMInstrumentation.debugTool.onDeleteValueForProperty(node, name);
      ReactInstrumentation.debugTool.onHostOperation(
        ReactDOMComponentTree.getInstanceFromNode(node)._debugID,
        'remove attribute',
        name
      );
    }
  },
  /**
   * Deletes the value for a property on a node.
   *
   * @param {DOMElement} node
   * @param {string} name
   */
  deleteValueForProperty: function(node, name) {
    var propertyInfo = DOMProperty.properties.hasOwnProperty(name) ?
        DOMProperty.properties[name] : null;
    if (propertyInfo) {
      var mutationMethod = propertyInfo.mutationMethod;
      if (mutationMethod) {