Delete legacy dataset_infos.json

Update metadata

Update loading script

Host data file

add dataset_info in dataset metadata

remove dummmy data

Align more metadata with other repo types (models,spaces) (#4607)

Remove config names as yaml keys (#4367)

Update datasets task tags to align tags with models (#4067)

Update files from the datasets library (from 1.18.0)

Update files from the datasets library (from 1.7.0)

Update files from the datasets library (from 1.6.0)

Update files from the datasets library (from 1.3.0)

Update files from the datasets library (from 1.2.0)