KOLOA, Kauai — This winter’s candlelight vigils and banner-waving protesters are gone, their legal challenges exhausted. Soon, bulldozers could roll past Koloa’s wooden sidewalks, clucking chickens and stop sign plastered with a “Die Developers Die” bumper sticker, ready to transform a ragtag grove of monkeypod trees into a shopping center. KOLOA, Kauai — This winter’s candlelight vigils and banner-waving protesters are gone, their legal challenges exhausted. Soon, bulldozers could roll past Koloa’s wooden sidewalks, clucking chickens and stop sign plastered with a “Die Developers Die” bumper sticker, ready to transform a ragtag grove of monkeypod trees into a shopping center.