Consider setting defaults to systemctl/systemd commands #1825
Description
The bulk of OSs we support are systemd based, so per the comment #1824 (comment), as the most common type of OS, we should probably default to those types of commands in order to make it easier to add new distros in the future. This would eliminate maintaining long inclusions like
beaker/lib/beaker/host/unix/exec.rb
Line 305 in cc5fd87