Delete unused i18n keys

public/locales/fr-fr.json

@@ -1420,7 +1420,6 @@
     "Block Entropy API Key": "Clé API Block Entropy",
     "Select a Model": "Sélectionner un modèle",
     "Example: http://localhost:1234/v1": "Exemple: http://localhost:1234/v1",
-    "at the end of the URL!": "à la fin de l'URL !",
     "(Optional)": "(Optionnel)",
     "Enter a Model ID": "Saisir un ID de modèle",
     "Example: gpt-3.5-turbo": "Exemple: gpt-3.5-turbo",

public/locales/ru-ru.json

@@ -1127,7 +1127,6 @@
     "Custom (OpenAI-compatible)": "Кастомный (совместимый с OpenAI)",
     "Custom Endpoint (Base URL)": "Кастомный эндпоинт (базовый URL)",
     "Example: http://localhost:1234/v1": "Пример: http://localhost:1234/v1",
-    "at the end of the URL!": "!",
     "Custom API Key": "Ключ от кастомного API",
     "(Optional)": "(необязательно)",
     "Enter a Model ID": "Введите идентификатор модели",

public/locales/zh-tw.json

@@ -352,7 +352,7 @@
     "Remove your real OAI API Key from the API panel BEFORE typing anything into this box": "在此框中輸入任何內容之前，從 API 面板中刪除您的實際 OAI API 金鑰",
     "We cannot provide support for problems encountered while using an unofficial OpenAI proxy": "我們無法為使用非官方 OpenAI 代理伺服器時遇到的問題提供支援",
     "Doesn't work? Try adding": "不起作用？嘗試新增",
-    "at the end!": "在最後！",
+    "at the end!": "在 URL 結尾！",
     "Proxy Password": "代理伺服器密碼",
     "Will be used as a password for the proxy instead of API key.": "將用作代理的密碼，而不是 API 金鑰",
     "Peek a password": "顯示密碼",
@@ -1570,7 +1570,6 @@
     "Assistant Message Sequences": "助理訊息序列",
     "Assistant Prefix": "助理訊息前綴",
     "Assistant Suffix": "助理訊息後綴",
-    "at the end of the URL!": "在 URL 結尾！",
     "Audio Playback Speed": "音檔播放速度",
     "Auto-select Input Text": "自動選擇輸入文字",
     "Automatically caption images": "自動產生圖片註解",