Update train_dreambooth_lora_sd3.py (#8600)

* Update train_dreambooth_lora_sd3.py

* Update train_dreambooth_lora_sd3.py

* Update train_dreambooth_sd3.py

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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

examples/dreambooth/train_dreambooth_lora_sd3.py

@@ -1344,7 +1344,6 @@ def main(args):
     if not train_dataset.custom_instance_prompts:
         del tokenizers, text_encoders
         # Explicitly delete the objects as well, otherwise only the lists are deleted and the original references remain, preventing garbage collection
-        del tokenizer_one, tokenizer_two, tokenizer_three
         del text_encoder_one, text_encoder_two, text_encoder_three
         gc.collect()
         if torch.cuda.is_available():

examples/dreambooth/train_dreambooth_sd3.py

@@ -1372,7 +1372,6 @@ def main(args):
     if not args.train_text_encoder and not train_dataset.custom_instance_prompts:
         del tokenizers, text_encoders
         # Explicitly delete the objects as well, otherwise only the lists are deleted and the original references remain, preventing garbage collection
-        del tokenizer_one, tokenizer_two, tokenizer_three
         del text_encoder_one, text_encoder_two, text_encoder_three
         gc.collect()
         if torch.cuda.is_available():