删除无效引用

src/main/java/com/template/controller/WelcomeVisitorController.java

@@ -13,7 +13,6 @@ import com.template.services.WelcomeVisitorService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.util.Arrays;
 import java.util.List;
 
 /**