EntityConversionMap::removeItem

public function removeItem(EntityConversionMapItem $item)
{
	$srcID = $item->getSourceField();
	if($this->srcIndex !== null && isset($this->srcIndex[$srcID]))
	{
		unset($this->srcIndex[$srcID]);
	}

	$dstID = $item->getDestinationField();
	if($dstID === '')
	{
		$dstID = $srcID;
	}

	if($this->dstIndex !== null && isset($this->dstIndex[$dstID]))
	{
		unset($this->dstIndex[$dstID]);
	}
}