docs(sglang): remove note about placeholder metrics implementation

[ishandhanani]

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Summary by CodeRabbit

• Documentation
  • Updated the README by removing outdated notes about placeholder engine metrics and related references.

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[coderabbitai]

Walkthrough

A note in the "Aggregated Serving with KV Routing" section of the components/backends/sglang/README.md was removed. This note previously explained the use of placeholder engine metrics and referenced future updates and related pull requests. No other changes or content modifications were made.

Changes

Cohort / File(s)	Change Summary
README Documentation Update components/backends/sglang/README.md	Removed note about placeholder engine metrics, references to future PRs, and TODOs in the README.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• docs: organize sglang readme #1910: Introduced or expanded the README note about placeholder engine metrics, which is now being removed in this PR.
• chore(sglang): Move examples/sglang to components/backends/sglang #2046: Updated the SGLang directory structure and README paths, affecting the same README section modified in this PR.

Poem

A note once nestled in README's lines,
About placeholder metrics and future signs,
Has hopped away, no longer to stay—
The docs are cleaner, the path is clear,
As rabbits cheer with a README cheer!
🐇✨

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Reviewing files that changed from the base of the PR and between c86052c and 8470834.

📒 Files selected for processing (1)

• components/backends/sglang/README.md (0 hunks)

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• components/backends/sglang/README.md

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[athreesh]

LGTM. thx for being on top of updating documentation for SGL