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/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
index f9bdff3..e5deb15 100644
--- a/drivers/isdn/hisax/avma1_cs.c
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -120,8 +120,7 @@
     p_dev->io.IOAddrLines = 5;
 
     /* Interrupt setup */
-    p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
-    p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
+    p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
 
     /* General socket configuration */
     p_dev->conf.Attributes = CONF_ENABLE_IRQ;