Revert "[Bugfix][T106BUG-520]Fix the problem of not being able to ping ipv4 addresses"

This reverts commit 7c064635a128b1da8fd8583fb1b79b265203b631.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I71a84f50061c188c0f282c3c6d25a6e8be3e22f2
diff --git a/ap/app/zte_comm/zte_mainctrl/netdev_proc.c b/ap/app/zte_comm/zte_mainctrl/netdev_proc.c
index 818649d..0785d98 100755
--- a/ap/app/zte_comm/zte_mainctrl/netdev_proc.c
+++ b/ap/app/zte_comm/zte_mainctrl/netdev_proc.c
@@ -1814,10 +1814,7 @@
 		//sprintf(cmd, "/sbin/wan_ipv4.sh \"linkup\" \"pswan\" \"%d\"", actinfo->c_id);
 		sprintf(cmd, "/sbin/wan_ipv4.sh linkup pswan %d", actinfo->c_id);
 		//zxic_system(cmd);
-		//xf.li@20240314 modify for T106BUG-520 start
-		//fpv4 = popen(cmd, "r");
-		system_cmd_ex(cmd);
-		//xf.li@20240314 modify for T106BUG-520 end
+		fpv4 = popen(cmd, "r");
 	}
 
 	if (actinfo->act_info.ip46flag == V6_VALID || actinfo->act_info.ip46flag == V46_VALID) {
@@ -1834,17 +1831,12 @@
 		//sprintf(cmd, "/sbin/wan_ipv6.sh \"linkup\" \"pswan\" \"%d\"", actinfo->c_id);
 		sprintf(cmd, "/sbin/wan_ipv6.sh linkup pswan %d", actinfo->c_id);
 		//zxic_system(cmd);
-		//xf.li@20240314 modify for T106BUG-520 start
-		//fpv6 = popen(cmd, "r");
-		system_cmd_ex(cmd);
-		//xf.li@20240314 modify for T106BUG-520 end
+		fpv6 = popen(cmd, "r");
 	}
-	//xf.li@20240314 modify for T106BUG-520 start
-	/*if(fpv4 != NULL)
+	if(fpv4 != NULL)
 		pclose(fpv4);
 	if(fpv6 != NULL)
-		pclose(fpv6);*/
-	//xf.li@20240314 modify for T106BUG-520 end
+		pclose(fpv6);
 	return 1;
 }