Remove config names as yaml keys (#4367)

* validate YAML part

* fix bad YAML keys

* don't have config names as yaml keys

* style

* Remove hacking license tags when mirroring datasets on the Hub

* fix test

* fix style

* more fixes

* remove dots in QA column mapping keys

Commit from https://github.com/huggingface/datasets/commit/3f3013441e4af9bf4efa752b5e6e184a588b7a80

README.md

@@ -4,26 +4,12 @@ annotations_creators:
 language_creators:
 - crowdsourced
 languages:
-  release_v1:
-  - en
-  release_v2:
-  - en
-  release_v2-1:
-  - en
-  release_v2-1_constrained:
-  - en
-  release_v2_constrained:
-  - en
-  release_v3-0_en:
-  - en
-  release_v3-0_ru:
-  - ru
-  webnlg_challenge_2017:
-  - en
+- en
+- ru
 licenses:
-- cc-by-sa-3-0
-- cc-by-nc-sa-4-0
-- gfdl-1-1
+- cc-by-sa-3.0
+- cc-by-nc-sa-4.0
+- gfdl-1.1
 multilinguality:
 - monolingual
 size_categories:
@@ -37,6 +23,15 @@ task_ids:
 - rdf-to-text
 paperswithcode_id: webnlg
 pretty_name: WebNLG
+configs:
+- release_v1
+- release_v2
+- release_v2.1
+- release_v2.1_constrained
+- release_v2_constrained
+- release_v3.0_en
+- release_v3.0_ru
+- webnlg_challenge_2017
 ---
 
 # Dataset Card for WebNLG