Docs: update Jurassic Tube instructions

docs/quick-start.md

@@ -84,18 +84,7 @@ In order to test features that require a WordPress.com connection and other netw
 
 Note: This is for Automattician use only. For other methods, check out [ngrok](../tools/docker/README.md#using-ngrok-with-jetpack) or [another similar service](https://alternativeto.net/software/ngrok/).
 
-**Warning: This creates a tunnel to your local machine which should not be trusted as secure. If it is compromised, so is your computer and everything it has access to. Only `jetpack docker jt-up` when needed for testing things that require the site to be publicly accessible, and `jetpack docker jt-down` when completed.**
-
-- Visit the [jurassic.tube](https://jurassic.tube/) homepage to create a subdomain
-- Make sure you've run `pnpm install && pnpm jetpack cli link`
-- Make sure Docker is running `jetpack docker up -d`
-- Stand on the monorepo root in your terminal and run `mkdir tools/docker/bin/jt`
-- Stop and restart the docker env: `jetpack docker stop && jetpack docker up -d`
-- Download and run the installation script: `curl "https://jurassic.tube/get-installer.php?env=jetpack" -o tools/docker/bin/jt/installer.sh && chmod +x tools/docker/bin/jt/installer.sh && tools/docker/bin/jt/installer.sh`
-- Set your username: `jetpack docker jt-config username [your-username-here e.g david]`
-- Set your subdomain: `jetpack docker jt-config subdomain [your-subdomain-here e.g. spaceman]` 
-- Now, you can start your site with `jetpack docker jt-up`
-- Your site should be available at `https://custom-subdomain.jurassic.tube`
+To set up Jurassic Tube and establish a tunnel to your local machine, use the following instructions: PCYsg-GJ2-p2
 
 ## Development Workflow