Remove Node.js v19 specific requirement from quickstart page (#820)

* Remove Node.js v19 specific requirement from quickstart page

* Remove Node.js v19 version requirement from installation page

* Revert change in "Local preview not working" accordion to specify Node.js v19+ requirement

---------

Co-authored-by: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

Author: mintlify[bot]

installation.mdx

@@ -17,7 +17,7 @@ icon: "terminal"
 ## Installing the CLI
 
 <Info>
-  **Prerequisite**: Please install [Node.js](https://nodejs.org/en) (version 19 or higher) before proceeding.
+  **Prerequisite**: Please install [Node.js](https://nodejs.org/en) before proceeding.
 </Info>
 
 <Steps>
@@ -159,7 +159,7 @@ If you use JetBrains, we recommend the [MDX IntelliJ IDEA plugin](https://plugin
     This may be due to an outdated version of node. Try the following:
 
     1. Remove the currently-installed version of the mint CLI: `npm remove -g mint`
-    2. Upgrade to Node v19 or higher.
+    2. Upgrade to Node.js.
     3. Reinstall the mint CLI: `npm install -g mint`
   </Accordion>
   <Accordion title="Issue: Encountering an unknown error">

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