Revert "bootlinux: fix os detection for 9p build dependency installat… #89

Job	Run time
Build kdevops Container (fedora)	1m 28s
Build kdevops Container (debian)	1m 51s
Build kdevops Container (opensuse)	3m 16s
Linux A/B Tests (fedora)	47s
Linux A/B Tests (opensuse)	54s
Linux A/B Tests (debian)	1m 3s
Quick Config Tests (blktests_nvme) on fedora	46s
Quick Config Tests (xfs_reflink_4k) on debian	44s
Quick Config Tests (blktests_nvme) on opensuse	50s
Quick Config Tests (lbs-xfs) on debian	50s
Quick Config Tests (xfs_reflink_4k) on fedora	46s
Quick Config Tests (blktests_nvme) on debian	49s
Quick Config Tests (linux-ab-testing) on opensuse	51s
Quick Config Tests (xfs_reflink_4k) on opensuse	52s
Quick Config Tests (linux-ab-testing) on debian	49s
Quick Config Tests (linux-ab-testing) on fedora	45s
Quick Config Tests (lbs-xfs) on opensuse	49s
Quick Config Tests (lbs-xfs) on fedora	47s
	18m 57s

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