net: hns3: delete a redundant code assignment

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

There is a redundant code assignment in hclge_main.c, this patch
fix it.

Feature or Bugfix:Bugfix
Signed-off-by: NYonglong Liu <liuyonglong@huawei.com>
Reviewed-by: Nhuangguangbin2 <huangguangbin2@huawei.com>
Reviewed-by: Nlinyunsheng <linyunsheng@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -3506,7 +3506,7 @@ static int hclge_reset_prepare_wait(struct hclge_dev *hdev)
 
 static bool hclge_reset_err_handle(struct hclge_dev *hdev)
 {
-	struct hnae3_handle *handle = handle = &hdev->vport[0].nic;
+	struct hnae3_handle *handle = &hdev->vport[0].nic;
 
 	if (hdev->reset_pending) {
 		dev_info(&hdev->pdev->dev, "Reset pending %lu\n",