only list passiveRef in meta once?

[goose-life]

See meta / references in https://edit.laws.africa/documents/2521/:

<passiveRef href="/akn/na/act/2006/2" showAs="Public Enterprises Governance Act, 2006 (was State-owned Enterprises Governance Act)" eId="amendment-0-source"/>
        <passiveRef href="/akn/na/act/2016/6" showAs="Civil Aviation Act, 2016" eId="amendment-1-source"/>
        <passiveRef href="/akn/na/act/2006/2" showAs="Public Enterprises Governance Act, 2006 (was State-owned Enterprises Governance Act)" eId="amendment-0-source"/>
        <passiveRef href="/akn/na/act/2016/6" showAs="Civil Aviation Act, 2016" eId="amendment-1-source"/>