Delete untranslated strings

client/strings/zh-cn.json

@@ -235,7 +235,6 @@
   "LabelBitrate": "比特率",
   "LabelBooks": "图书",
   "LabelButtonText": "按钮文本",
-  "LabelByAuthor": "by {0}",
   "LabelChangePassword": "修改密码",
   "LabelChannels": "声道",
   "LabelChapterTitle": "章节标题",
@@ -361,7 +360,6 @@
   "LabelLess": "较少",
   "LabelLibrariesAccessibleToUser": "用户可访问的媒体库",
   "LabelLibrary": "媒体库",
-  "LabelLibraryFilterSublistEmpty": "No {0}",
   "LabelLibraryItem": "媒体库项目",
   "LabelLibraryName": "媒体库名称",
   "LabelLimit": "限制",
@@ -432,7 +430,6 @@
   "LabelPersonalYearReview": "你的年度回顾 ({0})",
   "LabelPhotoPathURL": "图片路径或 URL",
   "LabelPlayMethod": "播放方法",
-  "LabelPlayerChapterNumberMarker": "{0} of {1}",
   "LabelPlaylists": "播放列表",
   "LabelPodcast": "播客",
   "LabelPodcastSearchRegion": "播客搜索地区",
@@ -529,7 +526,6 @@
   "LabelShowSubtitles": "显示标题",
   "LabelSize": "文件大小",
   "LabelSleepTimer": "睡眠定时",
-  "LabelSlug": "Slug",
   "LabelStart": "开始",
   "LabelStartTime": "开始时间",
   "LabelStarted": "开始于",