Update translation files

Updated by "Cleanup translation files" hook in Weblate.

Translation: Element Call/element-call
Translate-URL: https://translate.element.io/projects/element-call/element-call/

public/locales/de/app.json

@@ -45,7 +45,6 @@
   "Join call now": "Anruf beitreten",
   "Join existing call?": "An bestehendem Anruf teilnehmen?",
   "Leave": "Verlassen",
-  "Loading room…": "Lade Raum …",
   "Loading…": "Lade …",
   "Local volume": "Lokale Lautstärke",
   "Logging in…": "Anmelden …",