Drop information about what the installer configures

These are not 'system prerequisites' and it's all documented in the
abstract.

Author: aneta-petrova

guides/common/modules/ref_system-requirements-quickstart.adoc

@@ -26,8 +26,6 @@ endif::[]
 * Install {ProductName} on a freshly provisioned system that serves no other function except to run {ProductName}.
 * Ensure the system has at least {project-minimum-memory} of memory
 
-The installer sets up Foreman, a Puppet server, and the Smart Proxy by default.
-
 .Additional resources
 * {InstallingServerDocURL}operating-system-requirements[Operating system requirements in _{InstallingServerDocTitle}_]
 * {InstallingServerDocURL}system-requirements[System requirements in _{InstallingServerDocTitle}_]