fix git submodule

projects/Detect_Drone

projects/Detect_drone/CONTRIBUTING.md

projects/Detect_drone/Dockerfile

projects/Detect_drone/LICENSE

projects/Detect_drone/README.md

projects/Detect_drone/autoanchor.py

projects/Detect_drone/data/Argoverse_HD.yaml

projects/Detect_drone/data/GlobalWheat2020.yaml

projects/Detect_drone/data/Objects365.yaml

projects/Detect_drone/data/SKU-110K.yaml

projects/Detect_drone/data/VOC.yaml

projects/Detect_drone/data/VisDrone.yaml

projects/Detect_drone/data/coco128.yaml

projects/Detect_drone/data/drone.yaml

projects/Detect_drone/data/hyps/hyp.finetune.yaml

projects/Detect_drone/data/hyps/hyp.finetune_objects365.yaml

projects/Detect_drone/data/hyps/hyp.scratch-p6.yaml

projects/Detect_drone/data/hyps/hyp.scratch.yaml

projects/Detect_drone/data/images/bus.jpg

projects/Detect_drone/data/images/zidane.jpg