[ARM] sa1100: remove unreferenced IRQ definitions

These IRQ definitions related to LOCOMO are never referenced anywhere,
thus could be safely removed.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-sa1100/include/mach/collie.h

@@ -72,13 +72,6 @@
 #define COLLIE_IRQ_GPIO_GA_INT		IRQ_GPIO25
 #define COLLIE_IRQ_GPIO_MAIN_BAT_LOW	IRQ_GPIO26
 
-#define COLLIE_LCM_IRQ_GPIO_RTS		IRQ_LOCOMO_GPIO0
-#define COLLIE_LCM_IRQ_GPIO_CTS		IRQ_LOCOMO_GPIO1
-#define COLLIE_LCM_IRQ_GPIO_DSR		IRQ_LOCOMO_GPIO2
-#define COLLIE_LCM_IRQ_GPIO_DTR		IRQ_LOCOMO_GPIO3
-#define COLLIE_LCM_IRQ_GPIO_nSD_DETECT	IRQ_LOCOMO_GPIO13
-#define COLLIE_LCM_IRQ_GPIO_nSD_WP	IRQ_LOCOMO_GPIO14
-
 /* GPIO's on the TC35143AF (Toshiba Analog Frontend) */
 #define COLLIE_TC35143_GPIO_BASE	(GPIO_MAX + 13)
 #define COLLIE_TC35143_GPIO_VERSION0    UCB_IO_0