translations: Remove control characters from zh_TW translation string.

Author: alexmv

public/translations/zh_TW.json

@@ -5,7 +5,7 @@
 	"Add a Zulip organization": "新增 Zulip 組織",
 	"Add custom CSS": "新增自定義 CSS",
 	"AddServer": "新增伺服器",
-	"Advanced": "\b\b進階",
+	"Advanced": "進階",
 	"All the connected organizations will appear here.": "所有已連線的織職都會在此顯示",
 	"Always start minimized": "始終最小化開啟",
 	"App Updates": "應用程式更新",