Remove nb_best from ML classes list

tests/test_elements_worker/test_classifications.py

@@ -24,7 +24,6 @@ def test_get_ml_class_id_load_classes(responses, mock_elements_worker):
                 {
                     "id": "0000",
                     "name": "good",
-                    "nb_best": 0,
                 }
             ],
         },

tests/test_elements_worker/test_elements.py

@@ -198,17 +198,14 @@ def test_load_corpus_classes(responses, mock_elements_worker):
                 {
                     "id": "0000",
                     "name": "good",
-                    "nb_best": 0,
                 },
                 {
                     "id": "1111",
                     "name": "average",
-                    "nb_best": 0,
                 },
                 {
                     "id": "2222",
                     "name": "bad",
-                    "nb_best": 0,
                 },
             ],
         },