Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"default": {"description": "The Kannada news dataset contains only the headlines of news article in three categories:\nEntertainment, Tech, and Sports.\n\nThe data set contains around 6300 news article headlines which collected from Kannada news websites.\nThe data set has been cleaned and contains train and test set using which can be used to benchmark\nclassification models in Kannada.\n", "citation": "", "homepage": "", "license": "CC BY-SA 4.0", "features": {"headline": {"dtype": "string", "id": null, "_type": "Value"}, "label": {"num_classes": 3, "names": ["sports", "tech", "entertainment"], "names_file": null, "id": null, "_type": "ClassLabel"}}, "post_processed": null, "supervised_keys": null, "builder_name": "kannada_news", "config_name": "default", "version": {"version_str": "1.0.0", "description": null, "major": 1, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 969216, "num_examples": 5167, "dataset_name": "kannada_news"}, "validation": {"name": "validation", "num_bytes": 236817, "num_examples": 1293, "dataset_name": "kannada_news"}}, "download_checksums": {}, "download_size": 0, "post_processing_size": null, "dataset_size": 1206033, "size_in_bytes": 1206033}}