remove unnecessary link

Author: jontallboy

docs/index.md

@@ -3,6 +3,5 @@ Please refer to the [official documentation](https://developers.hubspot.com/docs
 
 ## Quicklinks
 - [Getting started](https://developers.hubspot.com/docs/guides/cms/quickstart/react-plus-hubl-quickstart)
-- [CMS React overview](https://developers.hubspot.com/docs/guides/cms/react/overview)
 - [Field types](https://developers.hubspot.com/docs/reference/cms/fields/module-theme-fields)