fixup! emit ON_DELETE

Author: TheSyscall

library/Icinga/Web/Form/ConfigSectionForm.php

@@ -190,6 +190,7 @@ protected function handleDelete(): void
         try {
             $this->config->removeSection($this->section);
             $this->config->saveIni();
+            $this->emit(static::ON_DELETE, [$this]);
         } catch (Exception $e) {
             $content = $this->getContent();
             array_unshift(