net: neigh: remove redundant assignment to variable bucket

The variable bucket is being initialized with a value that is never
read and it is being updated later with a new value in a following
for-loop. 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: David S. Miller <davem@davemloft.net>

net/core/neighbour.c

@@ -3033,7 +3033,7 @@ static struct neighbour *neigh_get_first(struct seq_file *seq)
 	struct net *net = seq_file_net(seq);
 	struct neigh_hash_table *nht = state->nht;
 	struct neighbour *n = NULL;
-	int bucket = state->bucket;
+	int bucket;
 
 	state->flags &= ~NEIGH_SEQ_IS_PNEIGH;
 	for (bucket = 0; bucket < (1 << nht->hash_shift); bucket++) {