Prune deprecated classif. metrics

CHANGELOG.md

@@ -55,8 +55,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Removed
 
+- Prune deprecated classif. metrics from `pytorch_lightning.metrics.functional.classification` ([7499](https://github.com/PyTorchLightning/pytorch-lightning/pull/7499))
+
+
 - Removed deprecated trainer attributes - `get_model` and `accelerator_backend` ([7502](https://github.com/PyTorchLightning/pytorch-lightning/pull/7502))
 
+
 ### Fixed
 
 - Fixed parsing of multiple training dataloaders ([#7433](https://github.com/PyTorchLightning/pytorch-lightning/pull/7433))

pytorch_lightning/metrics/functional/__init__.py

@@ -15,13 +15,6 @@
 from pytorch_lightning.metrics.functional.auc import auc  # noqa: F401
 from pytorch_lightning.metrics.functional.auroc import auroc  # noqa: F401
 from pytorch_lightning.metrics.functional.average_precision import average_precision  # noqa: F401
-from pytorch_lightning.metrics.functional.classification import (  # noqa: F401
-    dice_score,
-    get_num_classes,
-    multiclass_auroc,
-    stat_scores_multiple_classes,
-    to_categorical,
-)
 from pytorch_lightning.metrics.functional.confusion_matrix import confusion_matrix  # noqa: F401
 from pytorch_lightning.metrics.functional.explained_variance import explained_variance  # noqa: F401
 from pytorch_lightning.metrics.functional.f_beta import f1, fbeta  # noqa: F401