Move Gantt charts to external plugin

app/Locale/zh_CN/translations.php

@@ -729,15 +729,8 @@ return array(
     'License:' => '授权许可:',
     'License' => '授权许可',
     'Enter the text below' => '输入下方的文本',
-    'Sort by position' => '按位置排序',
-    'Sort by date' => '按日期排序',
-    'Add task' => '添加任务',
     'Start date:' => '开始日期',
     'Due date:' => '到期日期',
-    'There is no start date or due date for this task.' => '当前任务没有开始或结束时间。',
-    'Moving or resizing a task will change the start and due date of the task.' => '移动或者重设任务将改变任务开始和结束时间。',
-    'There is no task in your project.' => '当前项目还没有任务',
-    'Gantt chart' => '甘特图',
     'People who are project managers' => '项目管理员',
     'People who are project members' => '项目成员',
     'NOK - Norwegian Krone' => '克朗',
@@ -749,22 +742,15 @@ return array(
     'Members' => '成员',
     'Shared project' => '公开项目',
     'Project managers' => '项目管理员',
-    'Gantt chart for all projects' => '所有项目的甘特图',
     'Projects list' => '项目列表',
-    'Gantt chart for this project' => '此项目的甘特图',
-    'Project board' => '项目面板',
     'End date:' => '结束日期',
-    'There is no start date or end date for this project.' => '当前项目没有开始或结束日期',
-    'Projects Gantt chart' => '项目甘特图',
     'Change task color when using a specific task link' => '当任务关联到指定任务时改变颜色',
     'Task link creation or modification' => '任务链接创建或更新时间',
     'Milestone' => '里程碑',
     'Documentation: %s' => '文档：%s',
-    'Switch to the Gantt chart view' => '切换到甘特图',
     'Reset the search/filter box' => '重置搜索/过滤框',
     'Documentation' => '文档',
     'Table of contents' => '表内容',
-    'Gantt' => '甘特图',
     'Author' => '作者',
     'Version' => '版本',
     'Plugins' => '插件',