Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"default": {"description": "The Did You Know (pol. Czy wiesz?) dataset consists of human-annotated question-answer pairs. The task is to predict if the answer is correct. We chose the negatives which have the largest token overlap with a question.\n", "citation": "@inproceedings{marcinczuk2013open,\ntitle={Open dataset for development of Polish Question Answering systems},\nauthor={Marcinczuk, Micha{\\l} and Ptak, Marcin and Radziszewski, Adam and Piasecki, Maciej},\nbooktitle={Proceedings of the 6th Language \\& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics, Wydawnictwo Poznanskie, Fundacja Uniwersytetu im. Adama Mickiewicza},\nyear={2013}\n}\n", "homepage": "http://nlp.pwr.wroc.pl/en/tools-and-resources/resources/czy-wiesz-question-answering-dataset", "license": "CC BY-SA 3.0", "features": {"q_id": {"dtype": "string", "id": null, "_type": "Value"}, "question": {"dtype": "string", "id": null, "_type": "Value"}, "answer": {"dtype": "string", "id": null, "_type": "Value"}, "target": {"num_classes": 2, "names": ["0", "1"], "names_file": null, "id": null, "_type": "ClassLabel"}}, "post_processed": null, "supervised_keys": null, "builder_name": "dyk", "config_name": "default", "version": {"version_str": "1.1.0", "description": null, "major": 1, "minor": 1, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 1388690, "num_examples": 4154, "dataset_name": "dyk"}, "test": {"name": "test", "num_bytes": 353643, "num_examples": 1029, "dataset_name": "dyk"}}, "download_checksums": {"https://klejbenchmark.com/static/data/klej_dyk.zip": {"num_bytes": 685462, "checksum": "7c5acaf3244c7eecbac1283a32a1aa64ac0f56c5318baa10a84665463c4be0b9"}}, "download_size": 685462, "post_processing_size": null, "dataset_size": 1742333, "size_in_bytes": 2427795}}