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/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c
index fe504b7..55fa5ca 100644
--- a/drivers/net/pcmcia/xirc2ps_cs.c
+++ b/drivers/net/pcmcia/xirc2ps_cs.c
@@ -841,7 +841,7 @@
 	    link->conf.Attributes |= CONF_ENABLE_SPKR;
 	    link->conf.Status |= CCSR_AUDIO_ENA;
 	}
-	link->irq.Attributes |= IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED ;
+	link->irq.Attributes |= IRQ_TYPE_DYNAMIC_SHARING;
 	link->io.NumPorts2 = 8;
 	link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
 	if (local->dingo) {