net: hns3: fix an issue for hns3_update_new_int_gl

HNS3 supports setting rx-usecs|tx-usecs as 0, but it will not
update dynamically when adaptive-tx or adaptive-rx is enable.
This patch removes the Redundant check.

Fixes: a95e1f86 ("net: hns3: change the time interval of int_gl calculating")
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

@@ -2777,7 +2777,7 @@ static bool hns3_get_new_int_gl(struct hns3_enet_ring_group *ring_group)
 	u32 time_passed_ms;
 	u16 new_int_gl;
 
-	if (!ring_group->coal.int_gl || !tqp_vector->last_jiffies)
+	if (!tqp_vector->last_jiffies)
 		return false;
 
 	if (ring_group->total_packets == 0) {