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

@@ -10,26 +10,9 @@ licenses:
 multilinguality:
 - monolingual
 size_categories:
-  Alittihad:
-  - 100K<n<1M
-  Almasryalyoum:
-  - 100K<n<1M
-  Almustaqbal:
-  - 100K<n<1M
-  Alqabas:
-  - 100K<n<1M
-  Echoroukonline:
-  - 100K<n<1M
-  Ryiadh:
-  - 100K<n<1M
-  Sabanews:
-  - 10K<n<100K
-  SaudiYoum:
-  - 100K<n<1M
-  Techreen:
-  - 100K<n<1M
-  Youm7:
-  - 1M<n<10M
+- 100K<n<1M
+- 10K<n<100K
+- 1M<n<10M
 source_datasets:
 - original
 task_categories:
@@ -40,6 +23,17 @@ task_ids:
 - masked-language-modeling
 paperswithcode_id: null
 pretty_name: Arabic Billion Words
+configs:
+- Alittihad
+- Almasryalyoum
+- Almustaqbal
+- Alqabas
+- Echoroukonline
+- Ryiadh
+- Sabanews
+- SaudiYoum
+- Techreen
+- Youm7
 ---
 
 # Dataset Card for Arabic Billion Words Corpus