Revert "Add B300 config: kimi-k2.5-int4-vllm (#1057)" [skip-sweep]

[cquil11]

Reverts #1057

A re-open PR with the same contents will follow.

[github-actions]

Thanks for the contribution! For vLLM & SGLang, please ensure that your recipes is similar to the official vLLM recipes and/or the SGLang cookbook

• https://cookbook.sglang.io/
• https://docs.vllm.ai/projects/recipes/en/latest/

If it is not, please create a PR first before we can merge your PR into the master branch. Let's ensure that the documentation is first class such that the entire ML community can benefit from your hard work! Thank you

• https://github.com/vllm-project/recipes
• https://github.com/sgl-project/sgl-cookbook

PR authors are responsible for ensuring that after merging, all GitHub Action jobs fully pass. A lot of the time, failures are just flakes and simply re-running the failed jobs will fix it. If re-running failed jobs is attempted, PR authors are responsible for ensuring it passes. See GitHub's docs on re-running failed jobs: https://docs.github.com/en/actions/how-tos/manage-workflow-runs/re-run-workflows-and-jobs#re-running-failed-jobs-in-a-workflow

If additional help is needed, PR authors can reach out to core maintainers over Slack.

[claude]

LGTM — clean revert of the B300 Kimi-K2.5 INT4 config with a follow-up PR planned.

Extended reasoning...

Overview

This PR reverts #1057, removing three changes: the kimik2.5-int4-b300-vllm entry from .github/configs/nvidia-master.yaml, the corresponding benchmark script benchmarks/single_node/kimik2.5_int4_b300.sh, and the perf-changelog entry. The description confirms a re-open PR with the same contents will follow.

Security risks

None. This is a pure deletion of config/script files with no auth, crypto, or permission-sensitive code paths involved.

Level of scrutiny

Minimal. This is a mechanical revert of a recently merged PR — the diff is purely subtractive, removing exactly what #1057 added. No logic changes, no new code paths introduced.

Other factors

No bugs found by the automated system, no outstanding reviewer comments, and the intent is unambiguous. The recipe-reminder bot comment is a standard automated message and not a blocker.