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

@@ -115,40 +115,12 @@ languages:
 - ur
 - gl
 licenses:
-- cc-by-nc-4-0
+- cc-by-nc-4.0
 multilinguality:
 - translation
 size_categories:
-  de_ja_2014:
-  - 1K<n<10K
-  de_ja_2015:
-  - 1K<n<10K
-  de_ja_2016:
-  - 1K<n<10K
-  eu_ca_2014:
-  - n<1K
-  eu_ca_2015:
-  - n<1K
-  eu_ca_2016:
-  - n<1K
-  fr-ca_hi_2014:
-  - n<1K
-  fr-ca_hi_2015:
-  - n<1K
-  fr-ca_hi_2016:
-  - n<1K
-  nl_en_2014:
-  - 1K<n<10K
-  nl_en_2015:
-  - 1K<n<10K
-  nl_en_2016:
-  - 1K<n<10K
-  nl_hi_2014:
-  - n<1K
-  nl_hi_2015:
-  - n<1K
-  nl_hi_2016:
-  - n<1K
+- 1K<n<10K
+- n<1K
 source_datasets:
 - original
 task_categories:
@@ -156,6 +128,22 @@ task_categories:
 task_ids: []
 paperswithcode_id: null
 pretty_name: Web Inventory of Transcribed & Translated(WIT) Ted Talks
+configs:
+- de_ja_2014
+- de_ja_2015
+- de_ja_2016
+- eu_ca_2014
+- eu_ca_2015
+- eu_ca_2016
+- fr-ca_hi_2014
+- fr-ca_hi_2015
+- fr-ca_hi_2016
+- nl_en_2014
+- nl_en_2015
+- nl_en_2016
+- nl_hi_2014
+- nl_hi_2015
+- nl_hi_2016
 ---
 
 # Dataset Card for Web Inventory of Transcribed & Translated(WIT) Ted Talks