LoongArch: Remove clockevents shutdown call on offlining

The clockevents core already detached and unregistered it at this stage.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250906064952.3749122-3-maobibo@loongson.cn

Author: bibo-mao

arch/loongarch/kernel/time.c

@@ -112,8 +112,6 @@ static int arch_timer_starting(unsigned int cpu)
 
 static int arch_timer_dying(unsigned int cpu)
 {
-	constant_set_state_shutdown(this_cpu_ptr(&constant_clockevent_device));
-
 	/* Clear Timer Interrupt */
 	write_csr_tintclear(CSR_TINTCLR_TI);