Is there a possibility to delete employee's preferred name through load?

Summary:

Mass delete preferred name

Content (required):

We want to perform a cleanup on employees' preferred first names as most of the names were duplicated with the first name and wondering if this can be done through load. We already tried with Person Name - worker.dat file but without success.

Version (include the version you are using, if applicable):

23B

Code Snippet (add any code snippets that support your topic, if applicable):