[Решено] There is a line over the flags in the menu, this may be related to wpml

Background of the issue:
I was trying to address an issue where there is a line over the flags in the menu, which may be related to WPML. The issue can be seen on this page: скрытая ссылка

Symptoms:
There is a line over the flags in the menu.

Questions:
How can ı remove the line