Update wine.py

wine.py

@@ -97,7 +97,5 @@ class Wine(datasets.GeneratorBasedBuilder):
         data.loc[data.is_red == "red", "color"] = 0
         data.loc[data.is_red == "white", "color"] = 1
         
-        data.columns = _BASE_FEATURE_NAMES
-        
         return data