fix: update OEL quickstart

This text was out of date, wrong, or simply superfluous. Or all three.

Author: alnr

docs/self-hosted/oel/quickstart.mdx

@@ -3,27 +3,6 @@ id: quickstart
 title: Quickstart
 ---
 
-This guide explains how to run Ory software if you have purchased an Ory Enterprise License.
-
-## Prerequisites
-
-To be able to run an enterprise build, you need:
-
-- A valid Ory Enterprise License.
-- Access to the Ory Enterprise Docker Registry.
-- CockroachDB Enterprise (community version is not supported).
-
-:::note
-
-Support for MySQL and PostgreSQL is available as well, but some features will be unavailable. Please
-[contact the team](https://www.ory.com/contact) to talk about your use case.
-
-:::
-
-Ory Enterprise builds are not available for public download and require a license agreement with Ory to run.
-
-## Ory Hydra Enterprise License
-
 The Ory Hydra Enterprise license includes additional features and support for enterprise customers:
 
 - Resource Owner Password Credentials grant.