JIT cleanup #562

Job	Run time
mypy	3m 14s
py3.13 \| macos \| integration tests	12m 55s
py3.13 \| macos \| unit tests	8m 18s
py3.13 \| ubuntu \| unit tests	10m 7s
py3.13 \| ubuntu \| integration tests	15m 20s
py3.13 \| windows \| unit tests	14m 7s
py3.13 \| windows \| integration tests	25m 50s
py3.10 \| ubuntu \| unit tests	10m 43s
py3.10 \| ubuntu \| integration tests	14m 5s
py3.11 \| ubuntu \| unit tests	10m 29s
py3.12 \| ubuntu \| unit tests	10m 33s
merge-test-artifacts	2s
	2h 15m 43s

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