[None][chore] Fix trtllm-eval for PyTorchLLM (#9427)

Signed-off-by: Fanrong Li <23290157+lfr-0531@users.noreply.github.com>

Author: lfr-0531

tensorrt_llm/commands/eval.py

@@ -135,6 +135,7 @@ def main(ctx, model: str, tokenizer: Optional[str], log_level: str,
 
     profiler.start("trtllm init")
     if backend == 'pytorch':
+        llm_args.pop("build_config", None)
         llm = PyTorchLLM(**llm_args)
     elif backend == 'tensorrt':
         llm = LLM(**llm_args)