Update ASCEND.py

ASCEND.py

@@ -51,7 +51,7 @@ _URLS = {
 class ASCENDConfig(datasets.BuilderConfig):
     """BuilderConfig for ASCEND."""
 
-    def __init__(self, name, **kwargs):
+    def __init__(self, name="main", **kwargs):
         """
         Args:
           **kwargs: keyword arguments forwarded to super.
@@ -64,20 +64,10 @@ class ASCEND(datasets.GeneratorBasedBuilder):
 
     BUILDER_CONFIGS = [
         ASCENDConfig(
-            name="train",
+            name="main",
             version=datasets.Version("1.0.0", ""),
             description=_DESCRIPTION,
-        ),
-        ASCENDConfig(
-            name="validation",
-            version=datasets.Version("1.0.0", ""),
-            description=_DESCRIPTION,
-        ),
-        ASCENDConfig(
-            name="test",
-            version=datasets.Version("1.0.0", ""),
-            description=_DESCRIPTION,
-        ),
+        )
     ]
 
     def _info(self):