Reorder split names

Reorder split names in the YAML metadata to be aligned with the order in the loading script.
See: https://github.com/huggingface/datasets/issues/5258

README.md

@@ -38,15 +38,15 @@ dataset_info:
           6: I-LOC
   config_name: peoples_daily_ner
   splits:
-  - name: test
-    num_bytes: 3346975
-    num_examples: 4637
   - name: train
     num_bytes: 14972456
     num_examples: 20865
   - name: validation
     num_bytes: 1676741
     num_examples: 2319
+  - name: test
+    num_bytes: 3346975
+    num_examples: 4637
   download_size: 8385672
   dataset_size: 19996172
 ---