fix warning in eagle.py

[RuixiangMa]

vllm/examples/offline_inference/eagle.py:132: DeprecationWarning: The keyword arguments {'prompt_token_ids'} are deprecated and will be removed in a future update. Please use the 'prompts' parameter instead.

[github-actions]

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[DarkLight1337]

It looks like you simply removed the alternative input. We still support prompt token ID inputs, but it has to be inside a dictionary passed to prompts. You can check the type annotations for more information.

[DarkLight1337]

Closing as superseded by #18800