DINING: Churned up! Ridge ice cream icon Hinsch’s re-brands — again!

Note: More media content is available for this story at BrooklynPaper.com.By Dennis LynchThe Brooklyn PaperThey’ve re-signed, but they’re not resigning.A sign for New Jersey-based restaurant chain Stewart’s All-American now hangs over legendary Fifth Avenue diner Hinsch’s. Owners changed the name to attract new clientele, but the 66-year-old ice-cream-parlor-turned-diner is still Hinsch’s at heart, owners said.“Old-timers of Bay Ridge know Hinsch’s, but