irqchip: mips-gic: Remove __gic_irq_dispatch() forward declaration

We provide a forward declaration of the __gic_irq_dispatch() function
for no apparent reason. Remove it.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Acked-by: NMarc Zyngier <marc.zyngier@arm.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/17042/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

drivers/irqchip/irq-mips-gic.c

@@ -58,8 +58,6 @@ static struct irq_chip gic_level_irq_controller, gic_edge_irq_controller;
 DECLARE_BITMAP(ipi_resrv, GIC_MAX_INTRS);
 DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS);
 
-static void __gic_irq_dispatch(void);
-
 static bool gic_local_irq_is_routable(int intr)
 {
 	u32 vpe_ctl;