feat: remove deprecated setup commands #776

Job	Run time
fossa-scan / Run fossa scan on repository	36s
build (ubuntu-latest, 3.7, latest)	49s
build (ubuntu-latest, 3.7, 8.2)	35s
build (ubuntu-latest, 3.7, 8.1)	35s
build (ubuntu-latest, 3.13, 8.1)	7m 13s
build (ubuntu-latest, 3.13, 8.2)	7m 14s
build (ubuntu-latest, 3.9, latest)	10m 54s
build (ubuntu-latest, 3.9, 8.1)	7m 16s
build (ubuntu-latest, 3.13, latest)	12m 20s
build (ubuntu-latest, 3.9, 8.2)	7m 15s
fossa-scan / Fetch fossa results	3m 56s
	58m 43s

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