classification_report on fit data is almost worthless

[vaaaaanquish]

classification_report on fit data is almost worthless.
Maybe, this log will missleading.
line: https://github.com/m3dev/redshells/blob/master/redshells/train/utils/utils.py#L16

For example.

[2020/03/03 23:22:07][redshells.train.utils.utils][INFO](utils.py:21)
               precision    recall  f1-score   support
           0       1.00      1.00      1.00      3060
           1       1.00      1.00      1.00       252
    accuracy                           1.00      3312
   macro avg       1.00      1.00      1.00      3312
weighted avg       1.00      1.00      1.00      3312