Revert "cpu/hotplug: fix kabi breakage in enum cpuhp_state"

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8OSNK


CVE: NA

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This reverts commit 48725c8f.

Signed-off-by: Yu Liao <liaoyu15@huawei.com>