fix: populate destination cost unit from assigned hotel

templates/administrative/system/destination/_form.html.twig

@@ -19,7 +19,6 @@
     <div class="grid lg:grid-cols-3 gap-x-8 gap-y-4">
         {{ form_row(form.dateFrom) }}
         {{ form_row(form.dateTo) }}
-        {{ form_row(form.costUnit) }}
     </div>
     <div class="grid lg:grid-cols-2 gap-x-8 gap-y-4">
         {{ form_row(form.country) }}