genirq: Remove unused extern declaration

commit 3795de236d ("genirq: Distangle kernel/irq/handle.c")
left behind this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230720143625.29176-1-yuehaibing@huawei.com
This commit is contained in:
YueHaibing 2023-07-20 22:36:25 +08:00 • committed by Thomas Gleixner
commit 51a5acce71