Removed extensibility content from the readme file.

Author: CJ

app/code/Magento/WishlistAnalytics/README.md

@@ -10,9 +10,3 @@ Before installing this module, note that the **Magento_WishlistAnalytics** is de
 - Magento_Wishlist
 
 For information about enabling or disabling a module in Magento 2, see [Enable or disable modules](https://devdocs.magento.com/guides/v2.4/install-gde/install/cli/install-cli-subcommands-enable.html).
-
-## Extensibility
-
-Extension developers can interact with the Magento_WishlistAnalytics module. For more information about the Magento extension mechanism, see [Magento plug-ins](https://devdocs.magento.com/guides/v2.4/extension-dev-guide/plugins.html).
-
-[The Magento dependency injection mechanism](http://devdocs.magento.com/guides/v2.4/extension-dev-guide/depend-inj.html) enables you to override the functionality of the Magento_WishlistAnalytics module.