chore: delete plateDetection/yolov8-plate (replaced by yolox-tiny-plate, D718)

feat: plateDetection/yolox-tiny-plate (open-lpr YOLOX-tiny, Apache-2.0)

source: one rebuild recipe per hosted AGPL file; yolov8n-plate provenance

docs: model notice, rewrap the Model Studio paragraph

docs: Model Studio's third-party import catalogs leave the model notice

Squash history: mirror holds only the models CamStack offers (2026-10-06)