minor #20366 Update asset_mapper.rst (moshkov-konstantin)

This PR was submitted for the 7.1 branch but it was merged into the 6.4 branch instead.

Discussion
----------

Update asset_mapper.rst

<!--

If your pull request fixes a BUG, use the oldest maintained branch that contains
the bug (see https://symfony.com/releases for the list of maintained branches).

If your pull request documents a NEW FEATURE, use the same Symfony branch where
the feature was introduced (and `7.x` for features of unreleased versions).

-->

Commits
-------

5bcde9c Update asset_mapper.rst

Author: javiereguiluz

frontend/asset_mapper.rst

@@ -639,15 +639,14 @@ To make your AssetMapper-powered site fly, there are a few things you need to
 do. If you want to take a shortcut, you can use a service like `Cloudflare`_,
 which will automatically do most of these things for you:
 
-- **Use HTTP/2**: Your web server should be running HTTP/2 (or HTTP/3) so the
+- **Use HTTP/2**: Your web server should be running HTTP/2 or HTTP/3 so the
   browser can download assets in parallel. HTTP/2 is automatically enabled in Caddy
   and can be activated in Nginx and Apache. Or, proxy your site through a
   service like Cloudflare, which will automatically enable HTTP/2 for you.
 
 - **Compress your assets**: Your web server should compress (e.g. using gzip)
   your assets (JavaScript, CSS, images) before sending them to the browser. This
   is automatically enabled in Caddy and can be activated in Nginx and Apache.
-  In Cloudflare, assets are compressed by default.
 
 - **Set long-lived cache expiry**: Your web server should set a long-lived
   ``Cache-Control`` HTTP header on your assets. Because the AssetMapper component includes a version