Update README

LoadingScriptPractice.py

@@ -34,22 +34,11 @@ Using for Project Learning...
 # 使用したデータセット（クラスラベル）
 # https://huggingface.co/datasets/marsyas/gtzan
 
-
-class LoadingScriptPracticeConfig(datasets.BuilderConfig):
-    """Builder Config for spectrogram_MusicCaps"""
-
-    def __init__(self, **kwargs):
-        """BuilderConfig
-        Args:
-          **kwargs: keyword arguments forwarded to super.
-        """
-        super(LoadingScriptPracticeConfig, self).__init__(version=datasets.Version("1.0.0"), **kwargs)
-
 class LoadingScriptPractice(datasets.GeneratorBasedBuilder):
 
     # データのサブセットはここで用意
     BUILDER_CONFIGS = [
-        LoadingScriptPracticeConfig(
+        datasets.BuilderConfig(
             name="MusicCaps data 0_3",
             description="this Datasets is personal practice for using loadingScript. Data is from Google/MusicCaps",
         ),