(Bloomberg) -- The California State Assembly has shelved legislation that would have forced the country’s two largest pension funds to divest an estimated $15 billion from oil and gas companies, a major blow to environmental advocates who hoped the funds could be a national model for the divestment movement.Most Read from BloombergChina Restricts Export of Chipmaking Metals in Clash With USRussian General Still Missing as Defense Chief Slams MutinyXi’s Metal Curbs Risk Backfiring as G-7 Seeks Ch