Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"en-fa": {"description": "TEP: Tehran English-Persian parallel corpus. The first free Eng-Per corpus, provided by the Natural Language and Text Processing Laboratory, University of Tehran.\n", "citation": "@InProceedings{\u201cTEP: Tehran English-Persian Parallel Corpus\u201d,\ntitle = {TEP: Tehran English-Persian Parallel Corpus\u201d, in proceedings of 12th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing-2011)},\nauthors={M. T. Pilevar, H. Faili, and A. H. Pilevar, },\nyear={2011}\n}\n", "homepage": "http://opus.nlpl.eu/TEP.php", "license": "", "features": {"translation": {"languages": ["en", "fa"], "id": null, "_type": "Translation"}}, "post_processed": null, "supervised_keys": null, "builder_name": "tep_en_fa_para", "config_name": "en-fa", "version": {"version_str": "1.1.0", "description": null, "major": 1, "minor": 1, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 58735557, "num_examples": 612087, "dataset_name": "tep_en_fa_para"}}, "download_checksums": {"https://object.pouta.csc.fi/OPUS-TEP/v1/moses/en-fa.txt.zip": {"num_bytes": 16353318, "checksum": "190690734392e1898aaee2e46093883c086de3e11e903ab3c07fac54e350a238"}}, "download_size": 16353318, "post_processing_size": null, "dataset_size": 58735557, "size_in_bytes": 75088875}}