remove copy of existing function

Author: lukaspie

tests/dataconverter/test_validation.py

@@ -70,16 +70,6 @@ def compress_paths_in_dict(data_dict: Template, paths=list[str]):
     return None
 
 
-def alter_dict(data_dict: Template, key: str, value: object):
-    """Helper function to alter a single entry in dict for parametrize."""
-    if data_dict is not None:
-        internal_dict = Template(data_dict)
-        internal_dict[key] = value
-        return internal_dict
-
-    return None
-
-
 def remove_from_dict(data_dict: Template, key: str, optionality: str = "optional"):
     """Helper function to remove a key from dict"""
     if data_dict is not None and key in data_dict[optionality]: