[common] (dataset) remove the split datasets

common/research/common/dataset/split_dataset.py

common/research/common/scripts/train_val_test_split.py

...co/robomaster_Central China Regional Competition/test.txt

...o/robomaster_Central China Regional Competition/train.txt

...obomaster_Central China Regional Competition/trainval.txt

...oco/robomaster_Central China Regional Competition/val.txt

dataset/dji_roco/robomaster_Final Tournament/test.txt

dataset/dji_roco/robomaster_Final Tournament/train.txt

dataset/dji_roco/robomaster_Final Tournament/trainval.txt

dataset/dji_roco/robomaster_Final Tournament/val.txt

...roco/robomaster_North China Regional Competition/test.txt

...oco/robomaster_North China Regional Competition/train.txt

.../robomaster_North China Regional Competition/trainval.txt

..._roco/robomaster_North China Regional Competition/val.txt

...roco/robomaster_South China Regional Competition/test.txt

...oco/robomaster_South China Regional Competition/train.txt

.../robomaster_South China Regional Competition/trainval.txt

..._roco/robomaster_South China Regional Competition/val.txt

...s-at-robots/research/robots_at_robots/demos/demo_infer.py

...t-robots/research/robots_at_robots/demos/demo_pipeline.py