Remove Grid.time_full #719

Job	Run time
mypy	3m 37s
py3.13 \| macos \| integration tests	20m 39s
py3.13 \| macos \| unit tests	9m 22s
py3.13 \| ubuntu \| integration tests	15m 51s
py3.13 \| ubuntu \| unit tests	10m 9s
py3.13 \| windows \| integration tests	25m 47s
py3.13 \| windows \| unit tests	11m 38s
py3.10 \| ubuntu \| integration tests	15m 30s
py3.10 \| ubuntu \| unit tests	11m 3s
py3.11 \| ubuntu \| unit tests	10m 40s
py3.12 \| ubuntu \| unit tests	10m 27s
merge-test-artifacts	0s
	2h 24m 43s

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