restore simpler Windows CI #24

Job	Run time
ci (tpb, ubuntu-22.04, --pb --threads --enable-libffi, test-some-fast)	37m 54s
ci (a6osx, macos-12)	14m 58s
ci (ta6osx, macos-12)	26m 31s
ci (i3le, ubuntu-22.04)	15m 43s
ci (ti3le, ubuntu-22.04)	24m 20s
ci (a6le, ubuntu-22.04)	17m 7s
ci (ta6le, ubuntu-22.04)	21m 15s
ci (ta6le, ubuntu-22.04, reboot, -m=ta6le --force, re.boot SCHEME="chezscheme", test-some-fast)	17m 40s
ci (i3nt, windows-2022, vs)	19m 59s
ci (ti3nt, windows-2022, vs)	31m 22s
ci (a6nt, windows-2022, vs)	22m 11s
ci (ta6nt, windows-2022, vs)	25m 49s
ci (ta6nt, windows-2022, gcc)	20m 25s
	4h 55m 14s

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