ARM: nomadik: delete IRQ header

This header is not used any more after the platform was switched
to obtain resources from the device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-nomadik/cpu-8815.c

@@ -38,7 +38,6 @@
 #include <linux/gpio.h>
 #include <linux/amba/mmci.h>
 
-#include <mach/irqs.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>