media: ddbridge/sx8: remove redundant check of iq_mode == 2

The check for irq_mode == 2 occurs is always false and hence flags
is always zero.  This is because the check occurs in a path where
irq_mode is >= 3. Clean up the code by removing the check and irq_mode
and just pass 0.

Detected by CoverityScan, CID#1472214 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/pci/ddbridge/ddbridge-sx8.c

@@ -398,9 +398,7 @@ static int set_parameters(struct dvb_frontend *fe)
 		}
 		stat = start(fe, 3, mask, ts_config);
 	} else {
-		u32 flags = (iq_mode == 2) ? 1 : 0;
-
-		stat = start_iq(fe, flags, 4, ts_config);
+		stat = start_iq(fe, 0, 4, ts_config);
 	}
 	if (!stat) {
 		state->started = 1;