Removing explicit field chunking #634

Job	Run time
mypy	3m 39s
py3.13 \| macos \| integration tests	12m 33s
py3.13 \| macos \| unit tests	8m 49s
py3.13 \| ubuntu \| integration tests	13m 34s
py3.13 \| ubuntu \| unit tests	9m 29s
py3.13 \| windows \| integration tests	24m 27s
py3.13 \| windows \| unit tests	13m 54s
py3.10 \| ubuntu \| integration tests	13m 28s
py3.10 \| ubuntu \| unit tests	10m 7s
py3.11 \| ubuntu \| unit tests	10m 0s
py3.12 \| ubuntu \| unit tests	9m 42s
merge-test-artifacts	2s
	2h 9m 44s

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