Revert README.md to main (drop YAML configs change from PR)

README.md

@@ -2,11 +2,10 @@
 license: other
 license_name: nvidia-evaluation-data-license
 license_link: LICENSE.md
-configs:
-- config_name: default
-  data_files:
-  - split: test
-    path: data/**
+dataset_info:
+  splits:
+    - name: test
+      num_examples: 35027
 ---
 
 # VANTAGE-BENCH