remove unnecessary loader kwargs

cloudops_tsf.py

@@ -136,10 +136,6 @@ Cardinalities = tuple[tuple[str, int], ...]
 class CloudOpsTSFConfig(datasets.BuilderConfig):
     """BuilderConfig for CloudOpsTSF."""
 
-    # load_dataset kwargs
-    train_test: bool = field(default=True, init=False)
-    pretrain: bool = field(default=False, init=False)
-
     # builder kwargs
     prediction_length: int = field(default=None)
     freq: str = field(default=None)