Remove training info from DatasetManager

Closes #83 (closed)

dan/manager/dataset.py

@@ -139,7 +139,7 @@ class DatasetManager:
             )
 
     @staticmethod
-    def seed_worker(worker_id):
+    def seed_worker():
         worker_seed = torch.initial_seed() % 2**32
         np.random.seed(worker_seed)
         random.seed(worker_seed)
@@ -232,7 +232,6 @@ class GenericDataset(Dataset):
             self.params["config"]["padding_value"] = self.padding_value
 
         self.curriculum_config = None
-        self.training_info = None
 
     def __len__(self):
         return len(self.samples)