udev: Move zvol mdev rules to udev #15538

Job	Run time
test_suite_tag	0s
get-run-id	0s
test_suite_master / Determine best available runner	1s
test_suite_pr	0s
test_suite_master / LPS LOC test suite	3m 11s
test_suite_master / Networking test suite	3m 9s
test_suite_master / EVE upgrade test suite (ext4)	3m 10s
test_suite_master / Storage test suite (ext4)	3m 10s
test_suite_master / Smoke tests (ext4, true)	3m 11s
test_suite_master / EVE upgrade test suite (zfs)	3m 11s
test_suite_master / Storage test suite (zfs)	3m 12s
test_suite_master / Smoke tests (ext4, false)	3m 11s
test_suite_master / Smoke tests (zfs, true)	2m 58s
test_suite_master / Smoke tests (zfs, false)	3m 11s
test_suite_master / Virtualization test suite	1s
test_suite_master / User apps test suite	2m 59s
	34m 35s

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