chore(ci): remove invalid field

[inottn]

Summary

https://github.com/web-infra-dev/rspack/actions/workflows/label-auto-comment.yml

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rspack canceled.

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Name	Link
🔨 Latest commit	5650ea1
🔍 Latest deploy log	https://app.netlify.com/sites/rspack/deploys/679f69cd2ea9df0008d3dd34

[chenjiahan]

Nice catch 👍

[codspeed-hq]

CodSpeed Performance Report

Merging #9147 will not alter performance

_{Comparing inottn:chore/ci (5650ea1) with main (98d1c37)}

🎉 Hooray! codspeed-rust just leveled up to 2.7.2!

A heads-up, this is a breaking change and it might affect your current performance baseline a bit. But here's the exciting part - it's packed with new, cool features and promises improved result stability 🥳!
Curious about what's new? Visit our releases page to delve into all the awesome details about this new version.

Summary

✅ 6 untouched benchmarks