Cloudflare Registrar mention in onboarding.mdx (#24390)

Cloudflare offers a Registrar. Why point to external services and cause confusion rather than point to the Cloudflare Registrar directly, already.

Author: rawalc

src/content/docs/fundamentals/manage-domains/index.mdx

@@ -9,9 +9,7 @@ A _domain_ or _domain name_ (also known as a _zone_) is the location of a websit
 
 ## Get a domain name
 
-You can purchase domain names for your website from a variety of places, such as through popular website builders or dedicated [registrars](https://www.cloudflare.com/learning/dns/glossary/what-is-a-domain-name-registrar/).
-
-Cloudflare offers an at-cost registrar service to [purchase new domain names](/registrar/get-started/register-domain/) or [transfer existing domain names](/registrar/get-started/transfer-domain-to-cloudflare/).
+You can purchase domain names for your website from a variety of places. Cloudflare offers an at-cost registrar service to [purchase new domain names](/registrar/get-started/register-domain/) or [transfer existing domain names](/registrar/get-started/transfer-domain-to-cloudflare/).
 
 Refer to [Account and domain management best practices](/fundamentals/reference/best-practices/) for a detailed list of ways to protect your account and domain.