Update aspire-new.mdx

Author: IEvangelist

src/frontend/src/content/docs/reference/cli/commands/aspire-new.mdx

@@ -57,12 +57,6 @@ Choosing **Yes** configures the generated project so that each service gets a un
 - Gives each service its own origin, which prevents cookie and authentication token collisions between services running on the same machine.
 - More closely mirrors a production setup where services are hosted on separate (sub)domains.
 
-**Prerequisite:** The ASP.NET Core HTTPS development certificate must be installed and trusted on your machine. Run the following command if you haven't done so already:
-
-```bash
-dotnet dev-certs https --trust
-```
-
 <Aside type="note">
   Safari on macOS does not resolve `*.localhost` subdomains to `127.0.0.1` by
   default. If you use Safari, choose **No** or add an entry to your hosts file.