[media] coda: remove unnecessary peek at next destination buffer from coda_finish_decode

The return value of this call to v4l2_m2m_next_dst_buf() is never used.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/coda/coda-bit.c

@@ -1580,8 +1580,6 @@ static void coda_finish_decode(struct coda_ctx *ctx)
 	u32 err_mb;
 	u32 val;
 
-	dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-
 	/* Update kfifo out pointer from coda bitstream read pointer */
 	coda_kfifo_sync_from_device(ctx);