Remove Notebook test data from ChatGptTranslatorServiceTests

This change involves the removal of the 'Notebook' test data from the ChatGptTranslatorServiceTests. This adjustment streamlines the test cases by focusing on fewer items, possibly to align with current testing requirements.

tests/OpenAI.ChatGpt.IntegrationTests/ChatGptTranslatorServiceTests.cs

@@ -49,15 +49,13 @@ public async Task Translate_object_from_English_to_Russian()
             {
                 new(1,"Book", 5),
                 new(2,"Pen", 10),
-                new(3,"Notebook", 3)
             }
         );
 
         var englishRussianDictionary = new Dictionary<string, string>
         {
             { "Book", "Книга" },
             { "Pen", "Ручка" },
-            { "Notebook", "Тетрадь" }
         };
 
         // Act