media: mantis: remove redundant assignment to variable err

The variable err 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: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/mantis/hopper_vp3028.c

@@ -33,7 +33,7 @@ static int vp3028_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *
 {
 	struct i2c_adapter *adapter	= &mantis->adapter;
 	struct mantis_hwconfig *config	= mantis->hwconfig;
-	int err = 0;
+	int err;
 
 	mantis_gpio_set_bits(mantis, config->reset, 0);
 	msleep(100);