Duplicate seed arg in post api tool

[NinjaPerson24119]

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Environment Details

Arch

Steps to Reproduce

https://github.com/fishaudio/fish-speech/blob/main/tools/post_api.py#L128

You've registered the arg for --seed twice, causing it to fail when running the example here https://speech.fish.audio/inference/#vqgan-decoder

✔️ Expected Behavior

No response

❌ Actual Behavior

No response

[AnyaCoder]

Sorry for carelessness, fixed it