remove domains mention for quickstart callout

Author: devalog

fern/products/docs/pages/getting-started/quickstart.mdx

@@ -203,5 +203,5 @@ In this guide, we'll show you how to get started with Fern in under 5 minutes.
 [View examples of documentation websites](https://buildwithfern.com/customers) that have been published using Fern.
 
 <Info>
-    Use the [Fern Dashboard](http://dashboard.buildwithfern.com) to manage your GitHub repository connection, organization members (add or remove), domains, and Fern CLI version. You can also view page views and unique visitors to your site.
+    Use the [Fern Dashboard](http://dashboard.buildwithfern.com) to manage your GitHub repository connection, organization members (add or remove), and Fern CLI version. You can also view page views and unique visitors to your site.
 </Info>