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

@@ -7,17 +7,14 @@ language_creators:
 languages:
 - en
 licenses:
-- apache-2-0
+- apache-2.0
 multilinguality:
 - monolingual
 pretty_name: MultiDoc2Dial
 size_categories:
-  dialogue_domain:
-  - 1K<n<10K
-  document_domain:
-  - n<1K
-  multidoc2dial:
-  - 10K<n<100K
+- 10K<n<100K
+- 1K<n<10K
+- n<1K
 source_datasets:
 - extended|doc2dial
 task_categories:
@@ -25,6 +22,10 @@ task_categories:
 task_ids:
 - open-domain-qa
 paperswithcode_id: multidoc2dial
+configs:
+- dialogue_domain
+- document_domain
+- multidoc2dial
 ---
 
 # Dataset Card for MultiDoc2Dial