Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"default": {"description": "The Quora dataset is composed of question pairs, and the task is to determine if the questions are paraphrases of each other (have the same meaning).", "citation": "", "homepage": "https://www.kaggle.com/c/quora-question-pairs", "license": "", "features": {"questions": {"feature": {"id": {"dtype": "int32", "id": null, "_type": "Value"}, "text": {"dtype": "string", "id": null, "_type": "Value"}}, "length": -1, "id": null, "_type": "Sequence"}, "is_duplicate": {"dtype": "bool", "id": null, "_type": "Value"}}, "supervised_keys": null, "builder_name": "quora", "config_name": "default", "version": {"version_str": "0.0.0", "description": null, "datasets_version_to_prepare": null, "major": 0, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 58155622, "num_examples": 404290, "dataset_name": "quora"}}, "download_checksums": {"http://qim.fs.quoracdn.net/quora_duplicate_questions.tsv": {"num_bytes": 58176133, "checksum": "b3350dbb1d98db1f5abca85d736ba514bf4da253fae53939303d79fe921ec7c8"}}, "download_size": 58176133, "dataset_size": 58155622, "size_in_bytes": 116331755}}