To remove unwanted Languages:
- Go to Settings -> General -> Site Language and set it to Español.
- To delete other language files, connect to your website via FTP or use the file manager in your hosting control panel.
- Navigate to the /wp-content/languages/ directory.
- Delete any files or folders related to the unwanted languages, such as en_US.mo, en_US.po, es_MX.mo, es_MX.po, etc. Please see the screenshot https://prnt.sc/WNHupI-fdt2D