chore: remove a copy-paste error in comment

[gap-editor]

Overview

A comment contains a stray piece of code at the end, likely from a copy-paste error.

[gemini-code-assist]

Summary of Changes

Hello @gap-editor, 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!

I've addressed a minor code quality issue by removing a copy-paste error found within a comment in block/metrics_helpers.go. This change improves the clarity and accuracy of the comment, ensuring it accurately reflects its intended purpose without extraneous code snippets.

Highlights

• Comment Cleanup: Removed a stray piece of code (if m.metrics.ChannelBufferUsage["header_in"] != nil {) from a comment in block/metrics_helpers.go that was likely a copy-paste error.

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[gemini-code-assist]

Code Review

This pull request correctly removes a piece of code that was accidentally pasted into a comment. This is a simple but useful cleanup that improves code readability. The change is approved.