Revert "copies fix"

This reverts commit 051f534.

Author: Linoy

src/diffusers/loaders/lora_pipeline.py

@@ -4313,7 +4313,11 @@ def load_lora_weights(
 
         # First, ensure that the checkpoint is a compatible one and can be successfully loaded.
         state_dict = self.lora_state_dict(pretrained_model_name_or_path_or_dict, **kwargs)
-
+        # convert T2V LoRA to I2V LoRA (when loaded to Wan I2V) by adding zeros for the additional (missing) _img layers
+        state_dict = self._maybe_expand_t2v_lora_for_i2v(
+            transformer=getattr(self, self.transformer_name) if not hasattr(self, "transformer") else self.transformer,
+            state_dict=state_dict,
+        )
         is_correct_format = all("lora" in key for key in state_dict.keys())
         if not is_correct_format:
             raise ValueError("Invalid LoRA checkpoint.")