New York’s city comptrollers are supposed to safeguard taxpayer dollars, but many have treated the city pension funds they oversee as their own play money — and Mark Levine is no different. Thursday, Levine announced that he’ll skim $4 billion in pension-fund cash to boost “affordable housing,” in response to a “worsening housing crisis.” Huh? New York pols have bemoaned the housing crisis for nearly a century — which makes it more the status quo than a “crisis.” Yes, the city does need more