feat!: remove deprecated cssHeadDataCompression option

[LingyuCoder]

Summary

This PR removes the deprecated cssHeadDataCompression configuration option from Rspack. This option was marked as deprecated and unused (see #8534), and has now been completely removed from the codebase.

The removal includes:

• Type definition in config/types.ts
• Deprecation warning logic in config/normalization.ts
• API documentation in core.api.md
• Documentation sections in both English and Chinese config guides

Checklist

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

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[github-actions]

Rsdoctor Bundle Diff Analysis

Found 5 projects in monorepo, 5 projects with changes.

📊 Quick Summary

Project	Total Size	Change
react-10k	5.7 MB	-
react-1k	825.4 KB	-
react-5k	2.7 MB	-
rome	986.0 KB	-
ui-components	2.1 MB	-

📋 Detailed Reports (Click to expand)

📁 react-10k

Path: ../build-tools-performance/cases/react-10k/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	5.7 MB	-	-
📄 JavaScript	5.7 MB	-	-
🎨 CSS	21.0 B	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

📁 react-1k

Path: ../build-tools-performance/cases/react-1k/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	825.4 KB	-	-
📄 JavaScript	825.4 KB	-	-
🎨 CSS	0 B	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

📁 react-5k

Path: ../build-tools-performance/cases/react-5k/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	2.7 MB	-	-
📄 JavaScript	2.7 MB	-	-
🎨 CSS	21.0 B	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

📁 rome

Path: ../build-tools-performance/cases/rome/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	986.0 KB	-	-
📄 JavaScript	986.0 KB	-	-
🎨 CSS	0 B	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

📁 ui-components

Path: ../build-tools-performance/cases/ui-components/dist/rsdoctor-data.json

⚠️ No baseline data found - Unable to perform comparison analysis

Metric	Current	Baseline	Change
📊 Total Size	2.1 MB	-	-
📄 JavaScript	2.0 MB	-	-
🎨 CSS	83.0 KB	-	-
🌐 HTML	0 B	-	-
📁 Other Assets	0 B	-	-

Generated by Rsdoctor GitHub Action

[github-actions]

📦 Binary Size-limit

Comparing b75bd8d to refactor: move pass into separate folder and driven by run_passes (#12735) by hardfist

🎉 Size decreased by 451.25KB from 48.01MB to 47.57MB (⬇️0.92%)

[codspeed-hq]

Merging this PR will not alter performance

✅ 16 untouched benchmarks
⏩ 1 skipped benchmark¹

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_{Comparing feat/remove-css-head-data-compression (b75bd8d) with v2 (3c5a3e0)}

Footnotes

1. 1 benchmark was skipped, so the baseline result was used instead. If it was deleted from the codebase, click here and archive it to remove it from the performance reports. ↩