Remove data_full_zdim from fieldfilebuffer #746

Job	Run time
mypy	4m 15s
py3.13 \| macos \| unit tests	6m 53s
py3.13 \| macos \| integration tests	12m 50s
py3.13 \| ubuntu \| unit tests	9m 47s
py3.13 \| ubuntu \| integration tests	41m 31s
py3.13 \| windows \| unit tests	13m 6s
py3.13 \| windows \| integration tests	29m 20s
py3.10 \| ubuntu \| unit tests	11m 9s
py3.10 \| ubuntu \| integration tests	16m 4s
py3.11 \| ubuntu \| unit tests	10m 17s
py3.12 \| ubuntu \| unit tests	10m 3s
merge-test-artifacts	4s
	2h 45m 19s

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