toggleFields doesnt work properly, only works when you load page, but when you use it with drop-down selection like in the case below its only working on the page where drop-down is. So its not removing validation from other steps but it does remove field. Please sort this out !
("#email_details").change("input", function(){
var dInput = this.value;
if(dInput == 'Yes'){
$('form.idealforms').idealforms('toggleFields', 'employment_details');
$('form.idealforms').idealforms('goToStep', 1);
}
});