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

@@ -1,12 +1,8 @@
 ---
 pretty_name: "PAWS: Paraphrase Adversaries from Word Scrambling"
 annotations_creators:
-  labeled_final:
-  - expert-generated
-  labeled_swap:
-  - expert-generated
-  unlabeled_final:
-  - machine-generated
+- expert-generated
+- machine-generated
 language_creators:
 - machine-generated
 languages:
@@ -16,12 +12,8 @@ licenses:
 multilinguality:
 - monolingual
 size_categories:
-  labeled_final:
-  - 10K<n<100K
-  labeled_swap:
-  - 10K<n<100K
-  unlabeled_final:
-  - 100K<n<1M
+- 100K<n<1M
+- 10K<n<100K
 source_datasets:
 - original
 task_categories:
@@ -33,6 +25,10 @@ task_ids:
 - text-scoring
 - multi-input-text-classification
 paperswithcode_id: paws
+configs:
+- labeled_final
+- labeled_swap
+- unlabeled_final
 ---
 
 # Dataset Card for PAWS: Paraphrase Adversaries from Word Scrambling