fix: probleem met vertalingingsfiles

frontend/src/i18n/locale/de.json

@@ -107,7 +107,6 @@
     "no-submission": "keine vorlage",
     "submission": "Einreichung",
     "progress": "Fortschritte",
-    "created": "erstellt",
     "remove": "entfernen",
     "students": "Studenten",
     "classJoinRequests": "Beitrittsanfragen",
@@ -120,3 +119,4 @@
     "enterUsername": "Geben Sie den Benutzernamen der Lehrkraft ein, die Sie einladen möchten",
     "username": "Nutzername",
     "invite": "einladen"
+}

frontend/src/i18n/locale/en.json

@@ -88,7 +88,6 @@
     "sent": "sent",
     "failed": "failed",
     "wrong": "something went wrong",
-    "created": "created",
     "callbackLoading": "You are being logged in...",
     "loginUnexpectedError": "Login failed",
     "submitSolution": "Submit solution",