Move documentation to https://docs.kanboard.org/

app/Locale/zh_TW/translations.php

@@ -742,10 +742,8 @@ return array(
     'Change task color when using a specific task link' => '當任務關聯到指定任務時改變顏色',
     'Task link creation or modification' => '任務連接建立或更新時間',
     'Milestone' => '里程碑',
-    'Documentation: %s' => '文件：%s',
     'Reset the search/filter box' => '重設搜尋/過濾框',
     'Documentation' => '文件',
-    'Table of contents' => '表内容',
     'Author' => '作者',
     'Version' => '版本',
     'Plugins' => '插件',