Do not pin memory

Let's see if this reduces memory utilization

Author: palonso

src/data/discotube_text_audio.py

@@ -214,7 +214,7 @@ def train_dataloader(self):
             self.dataset_train,
             batch_size=self.batch_size,
             num_workers=self.num_workers,
-            pin_memory=True,
+            pin_memory=False,
             collate_fn=self.collate_fn,
         )
 
@@ -223,6 +223,6 @@ def val_dataloader(self):
             self.dataset_val,
             batch_size=self.batch_size,
             num_workers=self.num_workers,
-            pin_memory=True,
+            pin_memory=False,
             collate_fn=self.collate_fn,
         )