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

@@ -6,18 +6,12 @@ language_creators:
 languages:
 - en
 licenses:
-- cc-by-4-0
+- cc-by-4.0
 multilinguality:
 - monolingual
 size_categories:
-  generics_kb:
-  - 1M<n<10M
-  generics_kb_best:
-  - 1M<n<10M
-  generics_kb_simplewiki:
-  - 10K<n<100K
-  generics_kb_waterloo:
-  - 1M<n<10M
+- 10K<n<100K
+- 1M<n<10M
 source_datasets:
 - original
 task_categories:
@@ -26,6 +20,11 @@ task_ids:
 - other-other-knowledge-base
 paperswithcode_id: genericskb
 pretty_name: GenericsKB
+configs:
+- generics_kb
+- generics_kb_best
+- generics_kb_simplewiki
+- generics_kb_waterloo
 ---
 
 # Dataset Card for Generics KB