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

@@ -6,7 +6,7 @@ language_creators:
 languages:
 - en
 licenses:
-- cc-by-sa-4-0
+- cc-by-sa-4.0
 multilinguality:
 - monolingual
 size_categories:
@@ -15,17 +15,16 @@ source_datasets:
 - original
 - extended|other-turkcorpus
 task_categories:
-  ratings:
-  - text-classification
-  simplification:
-  - text2text-generation
+- text-classification
+- text2text-generation
 task_ids:
-  ratings:
-  - text-classification-other-simplification-evaluation
-  simplification:
-  - text-simplification
+- text-classification-other-simplification-evaluation
+- text-simplification
 paperswithcode_id: asset
 pretty_name: ASSET
+configs:
+- ratings
+- simplification
 ---
 
 # Dataset Card for ASSET