media: mantis_dvb: remove redundant initialization to variable result

The variable result is being initialized with a value that is never read
and it is being updated later with a new value.  The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/mantis/mantis_dvb.c

@@ -135,7 +135,7 @@ static int mantis_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 int mantis_dvb_init(struct mantis_pci *mantis)
 {
 	struct mantis_hwconfig *config = mantis->hwconfig;
-	int result = -1;
+	int result;
 
 	dprintk(MANTIS_DEBUG, 1, "dvb_register_adapter");