Add default delete modal usage:

- <%= render 'layouts/delete_modal', delete_options: {title: '', warning: '', cancel: '', submit: '' } %>
 - in default index, just set title, warning, cancel and submit in quick_edit if needed

vendor/built_in_modules/announcement/app/views/panel/announcement/back_end/bulletins/index.html.erb

@@ -5,6 +5,7 @@
 	quick_edit_link type: 'detail'
 	quick_edit_link type: 'delete',
 									link: 'panel_announcement_back_end_bulletin_path'
+									# can have: title, warning, cancel and submit values
 	quick_edit_link type: 'approval',
 									link: 'panel_announcement_back_end_bulletin_approval_preview_path'
 	quick_edit_link type: 'reject_reason'