Silent List Bug Fix

[glenn-jocher]

🛠️ PR Summary

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🌟 Summary

Optimization of the label plotting function in the YOLOv5 repository.

📊 Key Changes

• Commented out the line of code that updates the colors for histogram patches.

🎯 Purpose & Impact

• The purpose of this change is to address a bug identified as 'silent_list' object has no attribute 'patches' #3195.
• Impact: Potential increase in plot generation performance and stability, ensuring color updates do not cause issues during histogram creation.
• Users may notice improved reliability in label plotting visualizations. 📈

[glenn-jocher]

@SkalskiP this is an interesting case. I implemented #3192 earlier today, it passed all CI, but fails in Colab, now reverting in this PR after user complaints. It's probably a simple matplotlib version issue, but I was thinking it would be great to include Colab also in our CI tests is possible.