Add event to remove location if lat and lng not set

extensions/t3org_layout/Classes/Event/ModifyDetailViewVariablesEvent.php

+<?php
+namespace T3o\T3orgLayout\Event;
+
+/*
+ * This file is part of a TYPO3 extension.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+class ModifyDetailViewVariablesEvent
+{
+    public function __invoke(\DERHANSEN\SfEventMgt\Event\ModifyDetailViewVariablesEvent $event): void
+    {
+        /** @var \DERHANSEN\SfEventMgt\Domain\Model\Event $eventModel */
+        $eventModel = $event->getVariables()['event'];
+
+        // Remove location if one used without lat and lng configuration
+        if ($eventModel->getLocation() && (int)$eventModel->getLocation()->getLatitude() === 0 && (int)$eventModel->getLocation()->getLongitude() === 0) {
+            $eventModel->setLocation(null);
+        }
+        $event->setVariables(['event' => $eventModel]);
+    }
+}

extensions/t3org_layout/Configuration/Services.yaml

+services:
+  T3o\T3orgLayout\Event\ModifyDetailViewVariablesEvent:
+    tags:
+      - name: event.listener
+        identifier: 'ModifyDetailViewVariablesEvent'
+        event: DERHANSEN\SfEventMgt\Event\ModifyDetailViewVariablesEvent