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

@@ -196,26 +196,9 @@ licenses:
 multilinguality:
 - multilingual
 size_categories:
-  ar-bal:
-  - n<1K
-  bg-csb:
-  - 1K<n<10K
-  ca-en_GB:
-  - 1K<n<10K
-  cs-eo:
-  - n<1K
-  cs-tk:
-  - 10K<n<100K
-  da-vi:
-  - n<1K
-  de-ha:
-  - n<1K
-  de-tt:
-  - 1K<n<10K
-  el-sk:
-  - n<1K
-  en_GB-my:
-  - 10K<n<100K
+- 10K<n<100K
+- 1K<n<10K
+- n<1K
 source_datasets:
 - original
 task_categories:
@@ -223,6 +206,17 @@ task_categories:
 task_ids: []
 paperswithcode_id: null
 pretty_name: OpusGnome
+configs:
+- ar-bal
+- bg-csb
+- ca-en_GB
+- cs-eo
+- cs-tk
+- da-vi
+- de-ha
+- de-tt
+- el-sk
+- en_GB-my
 ---
 
 # Dataset Card Creation Guide