remove lightgbm re-name until later

Author: ahosler

ads/opctl/operator/lowcode/common/transformations.py

@@ -3,7 +3,6 @@
 # Copyright (c) 2023, 2024 Oracle and/or its affiliates.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/
 
-import re
 from abc import ABC
 
 import pandas as pd
@@ -98,8 +97,8 @@ def run(self, data):
     def _remove_trailing_whitespace(self, df):
         return df.apply(lambda x: x.str.strip() if x.dtype == "object" else x)
 
-    def _normalize_column_names(self, df):
-        return df.rename(columns=lambda x: re.sub("[^A-Za-z0-9_]+", "", x))
+    # def _normalize_column_names(self, df):
+    #     return df.rename(columns=lambda x: re.sub("[^A-Za-z0-9_]+", "", x))
 
     def _set_series_id_column(self, df):
         self._target_category_columns_map = {}