locale: fix the language name for zh_TW (#4807)

conf/app.ini

@@ -454,7 +454,7 @@ COMMITS_PAGING_NUM = 30
 
 [i18n]
 LANGS = en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,ja-JP,es-ES,pt-BR,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR,gl-ES,uk-UA,en-GB,hu-HU
-NAMES = English,简体中文,繁體中文（香港）,繁體中文（台湾）,Deutsch,français,Nederlands,latviešu,русский,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어,galego,українська,English (United Kingdom),Magyar
+NAMES = English,简体中文,繁體中文（香港）,繁體中文（臺灣）,Deutsch,français,Nederlands,latviešu,русский,日本語,español,português do Brasil,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어,galego,українська,English (United Kingdom),Magyar
 
 ; Used for datetimepicker
 [i18n.datelang]