Delete legacy JSON metadata

Delete legacy `dataset_infos.json`.

dataset_infos.json

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-{"dutch_social": {"description": "The dataset contains around 271,342 tweets. The tweets are filtered via the official Twitter API to\ncontain tweets in Dutch language or by users who have specified their location information within Netherlands\ngeographical boundaries. Using natural language processing we have classified the tweets for their HISCO codes.\nIf the user has provided their location within Dutch boundaries, we have also classified them to their respective\nprovinces The objective of this dataset is to make research data available publicly in a FAIR (Findable, Accessible,\nInteroperable, Reusable) way. Twitter's Terms of Service Licensed under Attribution-NonCommercial 4.0 International\n(CC BY-NC 4.0) (2020-10-27)\n", "citation": "@data{FK2/MTPTL7_2020,\nauthor = {Gupta, Aakash},\npublisher = {COVID-19 Data Hub},\ntitle = {{Dutch social media collection}},\nyear = {2020},\nversion = {DRAFT VERSION},\ndoi = {10.5072/FK2/MTPTL7},\nurl = {https://doi.org/10.5072/FK2/MTPTL7}\n}\n", "homepage": "http://datasets.coronawhy.org/dataset.xhtml?persistentId=doi:10.5072/FK2/MTPTL7", "license": "CC BY-NC 4.0", "features": {"full_text": {"dtype": "string", "id": null, "_type": "Value"}, "text_translation": {"dtype": "string", "id": null, "_type": "Value"}, "screen_name": {"dtype": "string", "id": null, "_type": "Value"}, "description": {"dtype": "string", "id": null, "_type": "Value"}, "desc_translation": {"dtype": "string", "id": null, "_type": "Value"}, "location": {"dtype": "string", "id": null, "_type": "Value"}, "weekofyear": {"dtype": "int64", "id": null, "_type": "Value"}, "weekday": {"dtype": "int64", "id": null, "_type": "Value"}, "month": {"dtype": "int64", "id": null, "_type": "Value"}, "year": {"dtype": "int64", "id": null, "_type": "Value"}, "day": {"dtype": "int64", "id": null, "_type": "Value"}, "point_info": {"dtype": "string", "id": null, "_type": "Value"}, "point": {"dtype": "string", "id": null, "_type": "Value"}, "latitude": {"dtype": "float64", "id": null, "_type": "Value"}, "longitude": {"dtype": "float64", "id": null, "_type": "Value"}, "altitude": {"dtype": "float64", "id": null, "_type": "Value"}, "province": {"dtype": "string", "id": null, "_type": "Value"}, "hisco_standard": {"dtype": "string", "id": null, "_type": "Value"}, "hisco_code": {"dtype": "string", "id": null, "_type": "Value"}, "industry": {"dtype": "bool_", "id": null, "_type": "Value"}, "sentiment_pattern": {"dtype": "float64", "id": null, "_type": "Value"}, "subjective_pattern": {"dtype": "float64", "id": null, "_type": "Value"}, "label": {"num_classes": 3, "names": ["neg", "neu", "pos"], "names_file": null, "id": null, "_type": "ClassLabel"}}, "post_processed": null, "supervised_keys": null, "builder_name": "dutch_social", "config_name": "dutch_social", "version": {"version_str": "1.1.0", "description": null, "major": 1, "minor": 1, "patch": 0}, "splits": {"train": {"name": "train", "num_bytes": 105569586, "num_examples": 162805, "dataset_name": "dutch_social"}, "test": {"name": "test", "num_bytes": 35185351, "num_examples": 54268, "dataset_name": "dutch_social"}, "validation": {"name": "validation", "num_bytes": 34334756, "num_examples": 54269, "dataset_name": "dutch_social"}}, "download_checksums": {"https://storage.googleapis.com/corona-tweet/dutch-tweets.zip": {"num_bytes": 68740666, "checksum": "29a080692e806d5f05011b3157ae2c91a7964c32cc90c7f30532ab6dc980053a"}}, "download_size": 68740666, "post_processing_size": null, "dataset_size": 175089693, "size_in_bytes": 243830359}}