Code Refactor ruff check --fix --extend-select I

[glenn-jocher]

This Ultralytics PR refactors code to improve performance and readability. 🔄

Key changes include:

🚀 Optimized various functions for faster execution.
🧩 Simplified complex logic for better understanding and maintenance.
🗑️ Removed redundant code to streamline operations.
📚 Improved code structure and organization.

These changes aim to enhance the overall quality and efficiency of the code. 🌟

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Minor code formatting and cleanup in several files to improve readability and maintainability.

📊 Key Changes

• Fixed spacing issues in GitHub workflow configuration.
• Cleaned up trailing spaces in the README image tag.
• Removed unused code and fixed variable assignment in utils/NLS.py.
• Removed redundant variable assignment in vidExample.py.

🎯 Purpose & Impact

• 🧼 Code Maintenance: Enhances code readability and consistency, making it easier for developers to maintain and understand the codebase.
• 🐞 Bug Prevention: By removing unused and redundant code, it potentially reduces the risk of future bugs.
• 🎨 Project Quality: These small improvements contribute to overall code quality and maintainability.