Remove Node.js v19 specific requirement from quickstart page

Author: mintlify[bot]

quickstart.mdx

@@ -100,7 +100,7 @@ pnpm add -g mint
 </CodeGroup>
 
 <Info>
-  You need Node.js version 19 or higher installed on your machine. If you encounter installation issues, check the troubleshooting guide.
+  You need Node.js installed on your machine. If you encounter installation issues, check the troubleshooting guide.
 </Info>
 
 ### Edit the Documentation
@@ -243,7 +243,7 @@ If you encounter issues during the setup process, check these common troubleshoo
 
 <AccordionGroup>
   <Accordion title="Local preview not working">
-    Make sure you have Node.js v19+ installed and that you run the `mint dev` command from the directory containing your `docs.json` file.
+    Make sure you have Node.js installed and that you run the `mint dev` command from the directory containing your `docs.json` file.
   </Accordion>
   <Accordion title="Changes not reflecting on live site">
     Deployment can take upwards to a few minutes. Check your GitHub Actions (for code-based workflow) or deployment logs in the Mintlify dashboard to ensure there are no build errors.