Remove requires_grad specification from meta functions #6022

Job	Run time
check-package / pkg-build (ubuntu-latest)	19s
check-schema / schema	13s
precommit-run / pre-commit	38s
check-package / merge-artifacts	12s
check-package / pkg-check (ubuntu-latest, 3.10)	2m 43s
check-package / pkg-check (ubuntu-latest, 3.11)	2m 48s
check-package / pkg-check (macOS-latest, 3.10)	1m 21s
check-package / pkg-check (macOS-latest, 3.11)	1m 15s
check-package / pkg-check (windows-latest, 3.10)	3m 13s
check-package / pkg-check (windows-latest, 3.11)	4m 8s
check-package / pkg-guardian	1s
	16m 51s

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