refactor: remove unused imports in FoodItemController and clean up RecipeDto

Author: OtavioXimarelli

src/main/java/com/otavio/aifoodapp/controller/FoodItemController.java

@@ -6,7 +6,6 @@
 import com.otavio.aifoodapp.model.FoodItem;
 import com.otavio.aifoodapp.service.FoodItemService;
 
-import org.springframework.http.HttpEntity;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;

src/main/java/com/otavio/aifoodapp/dto/RecipeDto.java

@@ -21,6 +21,4 @@ public class RecipeDto {
     private List<String> instructions;
    private Set<RecipeIngredientDto> ingredientsList;
 
-
-
 }