pcmcia: remove unused IRQ_FIRST_SHARED

Komuro pointed out that IRQ_FIRST_SHARED is not used at all in the
PCMCIA subsystem, so remove it. Also, remove two bogus assignments.

CC: Karsten Keil <keil@b1-systems.de>
CC: netdev@vger.kernel.org
CC: alsa-devel@alsa-project.org
CC: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/include/pcmcia/cs.h b/include/pcmcia/cs.h
index afc2bfb..75fa353 100644
--- a/include/pcmcia/cs.h
+++ b/include/pcmcia/cs.h
@@ -126,8 +126,8 @@
 #define IRQ_TYPE_TIME			0x01
 #define IRQ_TYPE_DYNAMIC_SHARING	0x02
 #define IRQ_FORCED_PULSE		0x04
-#define IRQ_FIRST_SHARED		0x08
-//#define IRQ_HANDLE_PRESENT		0x10
+#define IRQ_FIRST_SHARED		0x08 /* unused */
+#define IRQ_HANDLE_PRESENT		0x10 /* unused */
 #define IRQ_PULSE_ALLOCATED		0x100
 
 /* Bits in IRQInfo1 field */