Danila Rukhovich

[Enhance] Remove CUDA part from diff_iou_rotated

5

## Motivation Fix #1922. Following [lilanxiao/Rotated_IoU#39#issuecomment-1146352088](https://github.com/lilanxiao/Rotated_IoU/issues/39#issuecomment-1146352088) we remove `cuda` and `cpp` part of `diff_iou_rotated` in favour of pure `pytorch` implementation. It has negligible affect on speed however the overall accuracy...

Looks like [here](https://github.com/apple/ARKitScenes/blob/main/threedod/benchmark_scripts/utils/tenFpsDataLoader.py#L136) we need to replace `len(gt) == 0` with `len(gt) == 0 or len(gt.get('data', [])) == 0` otherwise for scene `42897846` we get `ValueError: need at least one...