chore: remove language names from translations (#3140)

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Signed-off-by: Sergey Ponomarev <stokito@gmail.com>

frontend/src/i18n/de.json

@@ -82,32 +82,6 @@
     "f2": "Datei umbenennen",
     "help": "Hilfe"
   },
-  "languages": {
-    "he": "עברית",
-    "hu": "Magyar",
-    "ar": "العربية",
-    "de": "Deutsch",
-    "el": "Ελληνικά",
-    "en": "English",
-    "es": "Español",
-    "fr": "Français",
-    "is": "Icelandic",
-    "it": "Italiano",
-    "ja": "日本語",
-    "ko": "한국어",
-    "nlBE": "Dutch (Belgium)",
-    "pl": "Polski",
-    "pt": "Português",
-    "ptBR": "Português (Brasil)",
-    "ro": "Romanian",
-    "ru": "Русский",
-    "sk": "Slovenčina",
-    "svSE": "Swedish (Sweden)",
-    "tr": "Türkçe",
-    "uk": "Українська",
-    "zhCN": "中文 (简体)",
-    "zhTW": "中文 (繁體)"
-  },
   "login": {
     "createAnAccount": "Account erstellen",
     "loginInstead": "Account besteht bereits",