Remove Hindi from READMEs

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Minor update removing an unnecessary language link from the README files.

📊 Key Changes

• Removed the Hindi language link (हिन्दी) from the language options in the README and README.zh-CN.md files.

🎯 Purpose & Impact

• Cleaner Documentation: Simplifies the language selection by removing a link that might have been deemed unnecessary or unused.
• User Clarity: Reduces potential confusion for users looking for supported languages.

😊 This tidy-up helps make the documentation cleaner and easier to navigate!

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