docs: remove non code files

README.md

@@ -119,26 +119,18 @@ ex) `feat: add new code`
 ```bash
 (예시로 작성)
 level2-klue-level2-nlp-09
-├── README.md
-├── requirements.txt
-├── config.json
 ├── utils
 │   ├── EDA(Duplicate&Mislabeling).ipynb
 │   ├── confusion_matrix.ipynb
 │   ├── ensemble.ipynb
 │   └── test_model.ipynb
-└── python
-│   ├── train.py
-│   ├── load_data.py
-│   ├── inference.py
-│   ├── training_loss.py
-│   ├── data_augmentation.py
-│   ├── test_recording.py
-│   └── train_sweep.py
-└── etc
-    ├── marking_mode_tokens.json
-    ├── dict_num_to_label.pkl
-    └── dict_label_to_num.pkl
+├── train.py
+├── load_data.py
+├── inference.py
+├── training_loss.py
+├── data_augmentation.py
+├── test_recording.py
+└── train_sweep.py
 ```
 
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