How to exclude non-localized paths? Keeping only /{locale} routes.

[RemyMachado]

I'm getting the following sitemap, but I only want to generate /en & /fr. How to get rid of the non localized url for each page?

<url><loc>https://my-website.com</loc></url> <!-- remove this one -->
<url><loc>https://my-website.com/en</loc></url>
<url><loc>https://my-website.com/fr</loc></url>
...