Update translation files

Updated by "Cleanup translation files" hook in Weblate.

Translation: CryptPad/App
Translate-URL: http://weblate.cryptpad.fr/projects/cryptpad/app/

www/common/translations/messages.zh.json

@@ -274,11 +274,6 @@
     "upload_progress": "進度",
     "download_button": "解密 & 下載",
     "main_info": "<h1>Collaborate in Confidence</h1><br> 利用共同享文件發嚮點子，透過 <strong>零知識 </strong> 科技確保隱私安全; 對任何網路服務商都要加以提防。",
-    "main_richText": "富文字編輯器",
-    "main_code": "代碼編輯器",
-    "main_slide": "投影片編輯器",
-    "main_poll": "調查",
-    "main_drive": "CryptDrive",
     "footer_applications": "應用程式",
     "footer_contact": "聯繫",
     "footer_aboutUs": "關於 Cryptpad",