docs: remove URL/title cleanup note from Dataset Card

v1.3.0: keep 3 model labels; mixed-copyright research-use license

v1.2.0: peer train/silver/gold; decontaminate; url+title cleanup

Delete data/train-00000-of-00001.parquet with huggingface_hub

Delete data/test-00000-of-00001.parquet with huggingface_hub

Upload folder using huggingface_hub

Delete data/train-00000-of-00001.parquet

Delete data/test-00000-of-00001.parquet

Upload folder using huggingface_hub

Delete data/train-00000-of-00001.parquet

Delete data/test-00000-of-00001.parquet

Upload folder using huggingface_hub

initial commit