remove diff between cli and client, move troubleshooting up (#817)

Author: lawreka

installation.mdx

@@ -74,19 +74,13 @@ pnpm dlx mint dev
 
 ## Updates
 
-You can update the client and CLI versions independently.
-
-### Client version
-
-If your local preview is out of sync with the production version, update your client version:
+If your local preview is out of sync with what you see on the web in the production version, update your local CLI:
 
 ```bash
 mint update
 ```
 
-### CLI version
-
-Update the CLI to the latest version:
+If this `mint update` command is not available on your local version, re-install the CLI with the latest version:
 
 <CodeGroup>
 
@@ -171,9 +165,4 @@ If you use JetBrains, we recommend the [MDX IntelliJ IDEA plugin](https://plugin
   <Accordion title="Issue: Encountering an unknown error">
     Solution: Go to the root of your device and delete the `~/.mintlify` folder. Afterwards, run `mint dev` again.
   </Accordion>
-  <Accordion title="Issue: The update command is not available">
-    If running `mint update` returns the command menu, your current version of the CLI does not include the `update` command.
-    
-    Use `npm i -g mint@latest` to update the CLI.
-  </Accordion>
 </AccordionGroup>