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

@@ -4,57 +4,20 @@ annotations_creators:
 language_creators:
 - found
 languages:
-  all_languages:
-  - de
-  - en
-  - es
-  - fr
-  - ja
-  - zh
-  de:
-  - de
-  en:
-  - en
-  es:
-  - es
-  fr:
-  - fr
-  ja:
-  - ja
-  zh:
-  - zh
+- de
+- en
+- es
+- fr
+- ja
+- zh
 licenses:
 - other-amazon-license
 multilinguality:
-  all_languages:
-  - multilingual
-  de:
-  - monolingual
-  en:
-  - monolingual
-  es:
-  - monolingual
-  fr:
-  - monolingual
-  ja:
-  - monolingual
-  zh:
-  - monolingual
+- monolingual
+- multilingual
 size_categories:
-  all_languages:
-  - 1M<n<10M
-  de:
-  - 100K<n<1M
-  en:
-  - 100K<n<1M
-  es:
-  - 100K<n<1M
-  fr:
-  - 100K<n<1M
-  ja:
-  - 100K<n<1M
-  zh:
-  - 100K<n<1M
+- 100K<n<1M
+- 1M<n<10M
 source_datasets:
 - original
 task_categories:
@@ -71,6 +34,14 @@ task_ids:
 - topic-classification
 paperswithcode_id: null
 pretty_name: The Multilingual Amazon Reviews Corpus
+configs:
+- all_languages
+- de
+- en
+- es
+- fr
+- ja
+- zh
 ---
 
 # Dataset Card for The Multilingual Amazon Reviews Corpus