net: mscc: ocelot: Remove useless code

payload only memset but no use at all, so we drop them.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mscc/ocelot_vcap.c

@@ -672,12 +672,10 @@ static void is1_entry_set(struct ocelot *ocelot, int ix,
 {
 	const struct vcap_props *vcap = &ocelot->vcap[VCAP_IS1];
 	struct ocelot_vcap_key_vlan *tag = &filter->vlan;
-	struct ocelot_vcap_u64 payload;
 	struct vcap_data data;
 	int row = ix / 2;
 	u32 type;
 
-	memset(&payload, 0, sizeof(payload));
 	memset(&data, 0, sizeof(data));
 
 	/* Read row */
@@ -813,11 +811,9 @@ static void es0_entry_set(struct ocelot *ocelot, int ix,
 {
 	const struct vcap_props *vcap = &ocelot->vcap[VCAP_ES0];
 	struct ocelot_vcap_key_vlan *tag = &filter->vlan;
-	struct ocelot_vcap_u64 payload;
 	struct vcap_data data;
 	int row = ix;
 
-	memset(&payload, 0, sizeof(payload));
 	memset(&data, 0, sizeof(data));
 
 	/* Read row */