Cython perf simplification #1491

Job	Run time
runnable	0s
lint / lint	23s
test (3.9, true, true, ubuntu-latest)	8m 5s
test (3.9, true, true, macos-13)	18m 40s
test (3.9, true, false, ubuntu-latest)	7m 59s
test (3.9, true, false, macos-13)	15m 5s
test (3.9, true, false, macos-latest)	7m 48s
test (3.9, false, false, ubuntu-latest)	6m 55s
test (3.9, false, false, macos-13)	13m 48s
test (3.9, false, false, macos-latest)	6m 52s
test (3.13, true, false, ubuntu-latest)	11m 22s
test (3.13, true, false, macos-13)	21m 52s
test (3.13, true, false, macos-latest)	7m 2s
	2h 5m 51s

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