SharePoint Online JSOM: Disable Multi Lingual and Remove all UI Languages

JSOM_MUI_False.js

(function () {
    "use strict";
    
    var context = SP.ClientContext.get_current();

    var web = context.get_web();

    //Remove all UI languages 
    web.set_isMultilingual(false);

    web.update();
    
    context.executeQueryAsync(function(){
    	console.log("MUI Disabled");
    },function(sender,args){
    	console.log(args.get_message());
    });

})();