docs: fix useServerMount() 🍅 (#572)

Author: manucorporat

packages/docs/src/pages/docs/components/hooks.mdx

@@ -154,7 +154,7 @@ const Timer = component$(() => {
 
 ## useServerMount$()
 
-Register's a server mount hook, that runs only in server when the component is first mounted. `useWatch` will run once in the server, and N-times in the client, only when the **tracked** state changes.
+Register's a server mount hook, that runs only in server when the component is first mounted.
 
 ### Example