Remove production users as the page is outdated

locales/en-US/homepage.ftl

@@ -8,11 +8,7 @@ homepage-version = Version { $number }
 ## components/panels/production.hbs
 production-title = Rust in production
 production-blurb = Hundreds of companies around the world are using Rust in production
-        today for fast, low-resource, cross-platform solutions. Software you know
-        and love, like <a href="https://hacks.mozilla.org/2017/08/inside-a-super-fast-css-engine-quantum-css-aka-stylo/">Firefox</a>,
-        <a href="https://blogs.dropbox.com/tech/2016/06/lossless-compression-with-brotli/">Dropbox</a>,
-        and <a href="https://blog.cloudflare.com/cloudflare-workers-as-a-serverless-rust-platform/">Cloudflare</a>,
-        uses Rust. <strong>From startups to large
+        today for fast, low-resource, cross-platform solutions. <strong>From startups to large
         corporations, from embedded devices to scalable web services, Rust is a great fit.</strong>
 
 production-testimonial-npm = My biggest compliment to Rust is that it's boring, and this is an amazing compliment.