Change warn_for_unimplemented_methods to debug

[mgoin]

We constantly see this warning printed every time V1 GPU is used, so I think it isn't worth keeping it a warning

WARNING 07-03 17:16:00 [__init__.py:2782] Methods determine_num_available_blocks,device_config,get_cache_block_size_bytes not implemented in <vllm.v1.worker.gpu_worker.Worker object at 0x78dfeb7665a0>

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[gemini-code-assist]

Summary of Changes

Hello @mgoin, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses excessive log output by reclassifying a specific warning message as a debug message. The change targets a recurring warning about unimplemented methods in the V1 GPU worker, which the author considers to be non-critical and thus not warranting a warning level, thereby improving log clarity.

Highlights

• Logging Level Adjustment: The logging level for messages related to unimplemented methods (e.g., determine_num_available_blocks, device_config, get_cache_block_size_bytes) in the vllm.v1.worker.gpu_worker.Worker object has been downgraded from WARNING to DEBUG. This change aims to reduce console spam from non-critical messages.

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[gemini-code-assist]

Code Review

This pull request changes a log message for unimplemented methods from a warning to a debug level, reducing log noise. A follow-up change to rename the decorator function is suggested for better code maintainability.

[tlrmchlsmth]

This improves things - we should remove the bogus logs completely later

[DarkLight1337]

I previously opened a PR #14046 to fix this issue, perhaps it's worth reviving that PR?