Update deno.md

Author: metmarkosaric

docs/proxy/guides/deno.md

@@ -4,6 +4,3 @@ title: Proxying Plausible through Deno Deploy
 
 We've removed old proxying instructions due to being out of date. [See our general proxying guide](/proxy/introduction).
 
-:::tip Don't want to manage your own proxy? We can handle it for you
-Our managed proxy lets you send analytics through your own domain name as a first-party connection. All you need to do is set up a CNAME record using the instructions we'll send you and update the snippet on your site. We'll take care of everything else. [Contact us for details](https://plausible.io/contact).
-:::