Moved construction of name to EE namespace

app/services/users/build_service.rb

@@ -109,10 +109,6 @@ module Users
         if user_params[:skip_confirmation].nil?
           user_params[:skip_confirmation] = skip_user_confirmation_email_from_setting
         end
-
-        if (user_params[:first_name].present? || user_params[:last_name].present?) && !user_params[:name].present?
-          user_params[:name] = "#{user_params[:first_name]} #{user_params[:last_name]}"
-        end
       end
 
       if user_default_internal_regex_enabled? && !user_params.key?(:external)