Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

@@ -1 +0,0 @@
-{"swahili": {"description": "The Swahili dataset developed specifically for language modeling task.\nThe dataset contains 28,000 unique words with 6.84M, 970k, and 2M words for the train,\nvalid and test partitions respectively which represent the ratio 80:10:10.\nThe entire dataset is lowercased, has no punctuation marks and,\nthe start and end of sentence markers have been incorporated to facilitate easy tokenization during language modeling.\n", "citation": "@InProceedings{huggingface:dataset,\ntitle = Language modeling data for Swahili (Version 1),\nauthors={Shivachi Casper Shikali, & Mokhosi Refuoe.\n},\nyear={2019},\nlink = http://doi.org/10.5281/zenodo.3553423\n}\n", "homepage": "https://zenodo.org/record/3553423", "license": "Attribution 4.0 International", "features": {"text": {"dtype": "string", "id": null, "_type": "Value"}}, "post_processed": null, "supervised_keys": null, "builder_name": "swahili", "config_name": "swahili", "version": {"version_str": "1.0.0", "description": null, "major": 1, "minor": 0, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 7700136, "num_examples": 42069, "dataset_name": "swahili"}, "test": {"name": "test", "num_bytes": 695092, "num_examples": 3371, "dataset_name": "swahili"}, "validation": {"name": "validation", "num_bytes": 663520, "num_examples": 3372, "dataset_name": "swahili"}}, "download_checksums": {"https://zenodo.org/record/3553423/files/Swahili%20data.zip?download=1": {"num_bytes": 2783330, "checksum": "fca1a30f471e08fb0a1b310004d7b49e0992b76997cadd0e8d6ecca035a00078"}}, "download_size": 2783330, "post_processing_size": null, "dataset_size": 9058748, "size_in_bytes": 11842078}}