net: mscc: ocelot: remove unused variable 'vcap_data_t'

Fix sparse warning:

drivers/net/ethernet/mscc/ocelot_ace.c:96:3:
 warning: symbol 'vcap_data_t' was not declared. Should it be static?

'vcap_data_t' never used so can be removed
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mscc/ocelot_ace.c

@@ -93,7 +93,7 @@ struct vcap_data {
 	u32 counter_offset; /* Current counter offset */
 	u32 tg_value; /* Current type-group value */
 	u32 tg_mask; /* Current type-group mask */
-} vcap_data_t;
+};
 
 static u32 vcap_s2_read_update_ctrl(struct ocelot *oc)
 {