media: drivers: cx24113: remove redundant variable r

Variable r is being assigned values but its value was never used,
being overriden on its first usage. So, drop the initialization.

Addresses-Coverity: ("Unused value")

Link: https://lore.kernel.org/linux-media/20211014151235.62671-1-colin.king@canonical.com

Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/dvb-frontends/cx24113.c

@@ -378,7 +378,7 @@ static void cx24113_set_nfr(struct cx24113_state *state, u16 n, s32 f, u8 r)
 
 static int cx24113_set_frequency(struct cx24113_state *state, u32 frequency)
 {
-	u8 r = 1; /* or 2 */
+	u8 r;
 	u16 n = 6;
 	s32 f = 0;