NEW YORK — Parents are pushing back against using dozens of local public schools for early voting when kids are in the building, citing safety concerns and disruptions to the regular school day from canceled gym classes to no hot meals. A petition to relocate dozens of poll sites on school days started on Staten Island, but this month expanded to three more boroughs. It had reached close to 1,600 signatures as of Friday afternoon. A citywide council of high school parents passed a nonbinding resolution midweek urging an end to the schools’ use. “I can tell you this,” Kevin Moran, the chief off…