Removed unused `# type: ignore` comments #72623

Job	Run time
build with 3.10 (py 3.10 on ubuntu-20.04, x64=1)	7m 54s
build with 3.13 (py 3.13 on ubuntu-20.04, x64=0)	5m 43s
Documentation - test code snippets (3.10)	1m 4s
Documentation - render documentation (3.10)	2m 28s
FFI example	1m 31s
jax2tf_test (py 3.10 on ubuntu-latest, x64=0)	47s
lint_and_typecheck	1m 25s
	20m 52s

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