[Fork from #105] Made CrossValFuncs and HoldOutFuncs class to group the functions

Author: nabenabe0928

autoPyTorch/datasets/resampling_strategy.py

@@ -150,11 +150,6 @@ def get_validators(*choices: CrossValFunc):
         """TODO: to be compatible, it is here now, but will be deprecated soon."""
         return {choice.name: choice.value for choice in choices}
 
-    def is_stratified(self) -> bool:
-        stratified = [self.stratified_k_fold_cross_validation,
-                      self.stratified_shuffle_split_cross_validation]
-        return getattr(self, self.name) in stratified
-
 
 class HoldoutValTypes(Enum):
     """The type of hold out validation (refer to CrossValTypes' doc-string)"""