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

@@ -6,13 +6,11 @@ language_creators:
 languages:
 - tr
 licenses:
-  snli_tr:
-  - cc-by-4-0
-  multinli_tr:
-  - cc-by-3-0
-  - cc-by-sa-3-0-at
-  - mit
-  - other-Open Portion of the American National Corpus
+- cc-by-3.0
+- cc-by-4.0
+- cc-by-sa-3.0-at
+- mit
+- other-Open Portion of the American National Corpus
 multilinguality:
 - monolingual
 size_categories:
@@ -28,6 +26,9 @@ task_ids:
 - semantic-similarity-scoring
 paperswithcode_id: nli-tr
 pretty_name: Natural Language Inference in Turkish
+configs:
+- multinli_tr
+- snli_tr
 ---
 
 # Dataset Card for "nli_tr"