tasks: replace os_identification with facts #331

Job	Run time
PE 2019.8.12 standard-with-dr on rhel-8 with fips enable	52m 34s
PE 2021.7.8 standard-with-dr on rhel-8 with fips enable	54m 34s
PE 2023.7.0 standard-with-dr on rhel-8 with fips enable	1h 5m 45s
PE 2019.8.12 large on rhel-8 with fips enable	40m 10s
PE 2021.7.8 large on rhel-8 with fips enable	40m 33s
PE 2023.7.0 large on rhel-8 with fips enable	45m 39s
PE 2019.8.12 extra-large-with-dr on rhel-8 with fips enable	1h 19m 8s
PE 2021.7.8 extra-large-with-dr on rhel-8 with fips enable	1h 24m 26s
PE 2023.7.0 extra-large-with-dr on rhel-8 with fips enable	1h 29m 45s
	9h 12m 34s

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