Remove deprecated map_location in export.py

[SangbumChoi]

map_location is deprecated in the export

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Simplified model loading in the TorchScript export function.

📊 Key Changes

• Changed one line of code to streamline how the model is loaded onto the device.

🎯 Purpose & Impact

• 🛠️ Purpose: Simplifies code by avoiding unnecessary parameters.
• 🚀 Impact: Improves code maintainability and readability without affecting performance. Users benefit from cleaner, more efficient code execution.

[github-actions]

All Contributors have signed the CLA. ✅
_{Posted by the CLA Assistant Lite bot.}

[github-actions]

👋 Hello @SangbumChoi, thank you for submitting a YOLOv5 🚀 PR! To allow your work to be integrated as seamlessly as possible, we advise you to:

• ✅ Verify your PR is up-to-date with ultralytics/yolov5 master branch. If your PR is behind you can update your code by clicking the 'Update branch' button or by running git pull and git merge master locally.
• ✅ Verify all YOLOv5 Continuous Integration (CI) checks are passing.
• ✅ Reduce changes to the absolute minimum required for your bug fix or feature addition. "It is not daily increase but daily decrease, hack away the unessential. The closer to the source, the less wastage there is." — Bruce Lee

[SangbumChoi]

I have read the CLA Document and I sign the CLA

[glenn-jocher]

@SangbumChoi thank you for your contributions!