CListPropertyField::Delete

public function Delete()
{
	if(is_array($this->_property))
	{
		$obProperty = new CIBlockProperty;
		if($obProperty->Delete($this->_property["ID"]))
		{
			$this->resetPropertyArrayCache();
			$this->_property = false;
		}
	}

	parent::Delete();
	return true;
}