cpu/hotplug: Remove unused cpuhp_state CPUHP_AP_X86_VDSO_VMA_ONLINE

Commit b2e2ba5 ("x86/vdso: Initialize the CPU/node NR segment
descriptor earlier") removed the single user of this constant.

Remove it to reduce the size of cpuhp_hp_states[].

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230904121350.18055-1-olaf@aepfle.de

Author: olafhering

include/linux/cpuhotplug.h

@@ -205,7 +205,6 @@ enum cpuhp_state {
 	CPUHP_AP_KVM_ONLINE,
 	CPUHP_AP_SCHED_WAIT_EMPTY,
 	CPUHP_AP_SMPBOOT_THREADS,
-	CPUHP_AP_X86_VDSO_VMA_ONLINE,
 	CPUHP_AP_IRQ_AFFINITY_ONLINE,
 	CPUHP_AP_BLK_MQ_ONLINE,
 	CPUHP_AP_ARM_MVEBU_SYNC_CLOCKS,