feat: remove deprecated setup commands #778

Job	Run time
build (ubuntu-latest, 3.7, latest)	49s
fossa-scan / Run fossa scan on repository	29s
build (ubuntu-latest, 3.7, 8.1)	34s
build (ubuntu-latest, 3.13, latest)	11m 56s
build (ubuntu-latest, 3.9, latest)	13m 55s
build (ubuntu-latest, 3.13, 8.2)	7m 19s
build (ubuntu-latest, 3.9, 8.1)	7m 17s
build (ubuntu-latest, 3.7, 8.2)	32s
build (ubuntu-latest, 3.9, 8.2)	8m 16s
build (ubuntu-latest, 3.13, 8.1)	7m 17s
fossa-scan / Fetch fossa results	1m 6s
	59m 30s

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