Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"default": {"description": "This dataset consists of a large number of Wikipedia comments which have been labeled by human raters for toxic behavior.\n", "citation": "", "homepage": "https://www.kaggle.com/c/jigsaw-toxic-comment-classification-challenge/data", "license": "The \"Toxic Comment Classification\" dataset is released under CC0, with the underlying comment text being governed by Wikipedia's CC-SA-3.0.", "features": {"comment_text": {"dtype": "string", "id": null, "_type": "Value"}, "toxic": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}, "severe_toxic": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}, "obscene": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}, "threat": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}, "insult": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}, "identity_hate": {"num_classes": 2, "names": ["false", "true"], "names_file": null, "id": null, "_type": "ClassLabel"}}, "post_processed": null, "supervised_keys": null, "builder_name": "jigsaw_toxicity_pred", "config_name": "default", "version": {"version_str": "1.1.0", "description": null, "major": 1, "minor": 1, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 71282358, "num_examples": 159571, "dataset_name": "jigsaw_toxicity_pred"}, "test": {"name": "test", "num_bytes": 28241991, "num_examples": 63978, "dataset_name": "jigsaw_toxicity_pred"}}, "download_checksums": {}, "download_size": 0, "post_processing_size": null, "dataset_size": 99524349, "size_in_bytes": 99524349}}