docs: Harmonize lis2mdl README — remove emojis.

[nedseb]

Parent issue: #194

What to fix

Remove all emojis from section titles in lib/lis2mdl/README.md. No other README in the project uses emojis.

Examples:

• ## 🧭 Features → ## Features
• ## ⚙️ Hardware Requirements → ## Hardware Requirements
• ## 🚀 Quick Start → ## Quick Start
• ## ⚖️ Calibration → ## Calibration
• etc.

Checklist

• All emojis removed from section titles
• No content changes — only title formatting

[semantic-release-updater]

🎉 This issue has been resolved in version 0.0.2 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀