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

@@ -1,21 +1,13 @@
 ---
 annotations_creators:
-  auto:
-  - machine-generated
-  auto_acl:
-  - machine-generated
-  auto_full_no_split:
-  - machine-generated
-  auto_full_with_split:
-  - machine-generated
-  manual:
-  - crowdsourced
+- crowdsourced
+- machine-generated
 language_creators:
 - found
 languages:
 - en
 licenses:
-- cc-by-sa-3-0
+- cc-by-sa-3.0
 multilinguality:
 - monolingual
 size_categories:
@@ -28,6 +20,12 @@ task_ids:
 - text-simplification
 paperswithcode_id: null
 pretty_name: WikiAuto
+configs:
+- auto
+- auto_acl
+- auto_full_no_split
+- auto_full_with_split
+- manual
 ---
 
 # Dataset Card for WikiAuto