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

@@ -10,18 +10,8 @@ licenses:
 multilinguality:
 - monolingual
 size_categories:
-  go:
-  - n<1K
-  java:
-  - n<1K
-  javascript:
-  - n<1K
-  php:
-  - n<1K
-  python:
-  - 1K<n<10K
-  ruby:
-  - n<1K
+- 1K<n<10K
+- n<1K
 source_datasets:
 - original
 task_categories:
@@ -30,6 +20,13 @@ task_categories:
 task_ids:
 - slot-filling
 pretty_name: CodeXGlueCcCodeCompletionLine
+configs:
+- go
+- java
+- javascript
+- php
+- python
+- ruby
 ---
 # Dataset Card for "code_x_glue_cc_code_completion_line"