IcingaServiceSetForm: remove the possibility...

...to override fields for all services at once. We need to figure out whether
this feature should really be allowed. It's not that important any more, since
we now allow to modify services once added to the set. Also, fields can now be
overridden at host level.

application/forms/IcingaServiceSetForm.php

@@ -35,7 +35,9 @@ class IcingaServiceSetForm extends DirectorObjectForm
             $object->service = $services;
         }
 
-        if ($this->assertResolvedImports()) {
+        // TODO: disabled for now. Sets have no fields, so somehow the resolver
+        //       fails here
+        if (false && $this->assertResolvedImports()) {
             $this->fieldLoader($object)
                 ->loadFieldsForMultipleObjects($object->getServiceObjects());
         }