🧹 Remove unused Locale import in CamEngine

[manupawickramasinghe]

🎯 What:
Removed the unused import statement import java.util.Locale from app/src/main/java/com/samsung/android/scan3d/serv/CamEngine.kt.

💡 Why:
Clean code health improvement to remove dead code and redundant imports, enhancing readability and maintainability without altering runtime functionality.

✅ Verification:
Executed ./gradlew assembleDebug, ./gradlew lintDebug, and ./gradlew testDebugUnitTest to ensure compilation succeeds and all tests pass cleanly.

✨ Result:
Improved code health and cleanliness in CamEngine.kt.

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PR created automatically by Jules for task 7001858134083593130 started by @manupawickramasinghe

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