label: remove deprecated stuff #226

Job	Run time
commit	4s
lint	13s
cross	43s
codespell	5s
test (1.19.x, -race)	20s
test-stubs	28s
VM (template://almalinux-8)	1m 40s
test (1.19.x)	19s
VM (template://centos-stream-9)	1m 51s
test (1.23.x, -race)	19s
VM (template://fedora)	1m 29s
test (1.23.x)	11s
test (1.24.x, -race)	28s
VM (template://experimental/opensuse-tumbleweed)	2m 9s
test (1.24.x)	11s
all-done	1s
	10m 31s

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