Update translation files

Updated by "Cleanup translation files" hook in Weblate.

Translation: mattermost-languages-shipped/mattermost-server
Translate-URL: https://translate.mattermost.com/projects/mattermost/mattermost-server_master/

i18n/de.json

@@ -3155,10 +3155,6 @@
     "id": "ent.elasticsearch.stop.already_stopped.app_error",
     "translation": "Elasticsearch ist bereits angehalten."
   },
-  {
-    "id": "ent.elasticsearch.test_config.connect_failed",
-    "translation": "Verbindung zum Elasticsearch-Server fehlgeschlagen."
-  },
   {
     "id": "ent.elasticsearch.test_config.indexing_disabled.error",
     "translation": "Elasticsearch ist deaktiviert."