Merge pull request #5820 from cpv123/docs-update-hasura-dataprovider

Update docs with latest Hasura Data Provider

Author: djhi

docs/DataProviders.md

@@ -78,8 +78,7 @@ Developers from the react-admin community have open-sourced Data Providers for m
 * **[Firebase Realtime Database](https://firebase.google.com/docs/database)**: [aymendhaya/ra-data-firebase-client](https://github.com/aymendhaya/ra-data-firebase-client).
 * **[GraphQL](https://graphql.org/)**: [marmelab/ra-data-graphql](https://github.com/marmelab/react-admin/tree/master/packages/ra-data-graphql) (uses [Apollo](https://www.apollodata.com/))
 * **[HAL](http://stateless.co/hal_specification.html)**: [b-social/ra-data-hal](https://github.com/b-social/ra-data-hal)
-* **[Hasura V1](https://github.com/hasura/graphql-engine)**: [hasura/ra-data-hasura](https://github.com/hasura/ra-data-hasura), communicates with Hasura V1, using standard REST and not GraphQL
-* **[Hasura](https://github.com/hasura/graphql-engine)**: [Steams/ra-data-hasura-graphql](https://github.com/Steams/ra-data-hasura-graphql), auto generates valid GraphQL queries based on the properties exposed by the Hasura API.
+* **[Hasura](https://github.com/hasura/graphql-engine)**: [hasura/ra-data-hasura](https://github.com/hasura/ra-data-hasura), auto generates valid GraphQL queries based on the properties exposed by the Hasura API.
 * **[Hydra](https://www.hydra-cg.com/) / [JSON-LD](https://json-ld.org/)**: [api-platform/admin/hydra](https://github.com/api-platform/admin/blob/master/src/hydra/dataProvider.js)
 * **[IndexedDB](https://developer.mozilla.org/en-US/docs/Web/API/IndexedDB_API)**: [tykoth/ra-data-dexie](https://github.com/tykoth/ra-data-dexie)
 * **[JSON API](https://jsonapi.org/)**: [henvo/ra-jsonapi-client](https://github.com/henvo/ra-jsonapi-client)