Removed useless code

src/main/java/com/example/nto/controller/BookingController.java

@@ -5,6 +5,7 @@ import com.example.nto.entity.Place;
 import com.example.nto.service.BookingService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
@@ -34,6 +35,6 @@ public class BookingController {
     @PostMapping("/{code}/book")
     public ResponseEntity<Void> createBooking(@RequestBody CreateBookingDTO createBookingDTO, @PathVariable String code) {
         bookingService.createBooking(createBookingDTO, code);
-        return ResponseEntity.created(null).build();
+        return new ResponseEntity<>(HttpStatusCode.valueOf(201));
     }
 }

src/main/java/com/example/nto/entity/Booking.java

@@ -17,7 +17,6 @@ import java.time.LocalDate;
 @NoArgsConstructor
 @AllArgsConstructor
 @Entity
-@ToString(exclude = {"employee", "place"})
 public class Booking {
 
     @Id