chore: remove unused Fedora 40 workarounds #1854

Job	Run time
build-lumina-nvidia (41, silverblue, open)	10m 35s
build-lumina (41, silverblue)	11m 24s
build-lumina-nvidia (41, cosmic, open)	9m 56s
build-lumina (41, cosmic)	11m 36s
build-lumina-nvidia (41, kinoite, open)	11m 3s
build-lumina (41, kinoite)	12m 30s
build-lumina-nvidia (stable, silverblue, open)	13m 9s
build-lumina (stable, silverblue)	12m 41s
build-lumina-nvidia (stable, cosmic, open)	12m 9s
build-lumina (stable, cosmic)	10m 59s
build-lumina-nvidia (stable, kinoite, open)	13m 6s
build-lumina (stable, kinoite)	12m 22s
check	3s
	2h 21m 33s

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