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

@@ -71,16 +71,9 @@ licenses:
 multilinguality:
 - multilingual
 size_categories:
-  bn-is:
-  - 10K<n<100K
-  bs-eo:
-  - 10K<n<100K
-  da-ru:
-  - 1M<n<10M
-  en-hi:
-  - 10K<n<100K
-  fr-hy:
-  - n<1K
+- 10K<n<100K
+- 1M<n<10M
+- n<1K
 source_datasets:
 - original
 task_categories:
@@ -88,6 +81,12 @@ task_categories:
 task_ids: []
 paperswithcode_id: opensubtitles
 pretty_name: OpenSubtitles
+configs:
+- bn-is
+- bs-eo
+- da-ru
+- en-hi
+- fr-hy
 ---
 
 # Dataset Card Creation Guide