Remove Typo

Author: bkb2135

prompting/tasks/inference.py

@@ -61,5 +61,5 @@ def make_reference(self, dataset_entry: ChatEntry) -> str:
             roles=["user"],
             model=self.llm_model,
             sampling_params=SamplingParams(seed=self.seed),
-        )[0]
+        )
         return self.reference