Omit ultralytics/utils/callbacks from coverage (#4345)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/reference/utils/callbacks/dvc.md

@@ -9,10 +9,6 @@ keywords: Ultralytics, YOLO, callbacks, logger, training, pretraining, machine l
 
     Full source code for this file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/dvc.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/callbacks/dvc.py). Help us fix any issues you see by submitting a [Pull Request](https://docs.ultralytics.com/help/contributing/) 🛠️. Thank you 🙏!
 
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-## ::: ultralytics.utils.callbacks.dvc._logger_disabled
-<br><br>
-
 ---
 ## ::: ultralytics.utils.callbacks.dvc._log_images
 <br><br>