I've attached a word document with the steps and similar instructions for removing the French language pack
Kindly follow the below steps after executing the script attached in the document:
1. Take an appropriate backup of your database, so it can be restored in the event of any unforeseen problems.
2. Shut down your system.
3. Follow the instructions in the "DOCX" file to remove the current language pack. Please note that this step includes a script that will delete rules directly from the database. Please ensure that you took an appropriate backup as indicated in the first step of these instructions.
4. Clear the extract marker file from your explicit temp directory.
5. Restart your system.
SQL instruction mentioned in the attached file is for Oracle DB. Kindly convert the SQL statements according to the DB product at your end, if not Oracle.
Don't uninstall directly. First, verify in the lower environment and see if the approach is successful.