Fix lora tests failure in TPU CI due to the removal of LoRA bias (#26723)

Signed-off-by: Xiongfei Wei <isaacwxf23@gmail.com>

vllm/v1/worker/tpu_model_runner.py

@@ -2128,12 +2128,11 @@ def replace_set_lora(model):
         lora_a: torch.Tensor,
         lora_b: torch.Tensor,
         embeddings_tensor: torch.Tensor | None,
-        bias: torch.Tensor | None = None,
     ):
         # TODO: The integer index leads to a recompilation, but converting it
         # to a tensor doesn't seem to work anymore. This might be fixed with a
         # later release of torch_xla.
-        self._original_set_lora(index, lora_a, lora_b, embeddings_tensor, bias)
+        self._original_set_lora(index, lora_a, lora_b, embeddings_tensor)
         torch_xla.sync(wait=False)
 
     def _tpu_reset_lora(self, index: int):