Top menu - How to hide the language switcher
To hide the top language switcher, access the right twig file to edit it. Access again the theme you wish to change, and then go to Screen which is located in the upper-right part of the window and select Navigation from the dropdown list. Now, look on the left side of the window for "language_changer_top_menu.twig". Click on it and comment out:
{% if aSurveyInfo.alanguageChanger.show == true %}
Add the following line below it:
{% if false == true %}
No language switcher will be displayed on the right side of the screen:
