Fix postgres health check in production

- Remove init-db.sql volume mount (not available in CI/CD environment)
- Init script not needed as Prisma handles schema migrations
- Postgres will initialize empty database automatically

docker-compose.production.yml

@@ -60,7 +60,6 @@ services:
       - POSTGRES_PASSWORD=portfolio_pass
     volumes:
       - postgres_data:/var/lib/postgresql/data
-      - ./scripts/init-db.sql:/docker-entrypoint-initdb.d/init-db.sql:ro
     networks:
       - portfolio_net
     healthcheck: