integration tests: remove CentOS conditionals (#11715)
* test(integration): remove CentOS references
* further simplification
* more removals
* rollback systemd_info for now
* ufw: not trivially used with RHEL9 and RHEL10, simplifying tests
* remove tasks for setup_epel where unused
* adjustments from review
(cherry picked from commit 79431c36b5)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
Integration tests: replace ansible_xxx with ansible_facts.xxx (#11479)
Replace ansible_xxx with ansible_facts.xxx.
(cherry picked from commit 476f2bf641)
Co-authored-by: Felix Fontein <felix@fontein.de>
