removing some os version dependencies and variables #808

Job	Run time
Select platforms	1s
docs	0s
linux-cross-compile	0s
linux-x64-hs-minimal	0s
linux-x64-hs-nopch	0s
linux-x64-hs-optimized	0s
linux-x64-hs-zero	0s
linux-x86	0s
macos-aarch64	0s
macos-x64	0s
windows-aarch64	0s
windows-x64	0s
linux-x64 / build (debug)	29m 37s
linux-x64 / build (release)	24m 42s
linux-x86	0s
macos-aarch64	0s
macos-x64	0s
windows-x64	0s
linux-x64 / test (jdk/tier1 part 1)	18m 33s
linux-x64 / test (jdk/tier1 part 2)	13m 35s
linux-x64 / test (jdk/tier1 part 3)	6m 52s
linux-x64 / test (langtools/tier1)	24m 50s
linux-x64 / test (hs/tier1 common)	2m 39s
linux-x64 / test (hs/tier1 compiler part 1)	16m 0s
linux-x64 / test (hs/tier1 compiler part 2)	11m 14s
linux-x64 / test (hs/tier1 compiler part 3)	31m 8s
linux-x64 / test (hs/tier1 compiler not-xcomp)	1m 46s
linux-x64 / test (hs/tier1 gc)	24m 45s
linux-x64 / test (hs/tier1 runtime)	21m 6s
linux-x64 / test (hs/tier1 serviceability)	14m 3s
linux-x64 / test (lib-test/tier1)	2m 13s
Remove bundle artifacts	2s
	4h 3m 6s

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