refactor: 最新評論 leancloud呼叫由js sdk 改為 rest api 呼叫。應用可以不與valine同一個

feat: 最新評論增加錯誤輸出
style: 刪除不必要的語言檔案

languages/default.yml

@@ -77,8 +77,7 @@ aside:
   card_newest_comments:
     heading: Newest Comments
     loading_text: loading...
-    zero_day: Today
-    day: days ago
+    error: Unable to get the data, please make sure the settings are correct.
 
 date_suffix:
   just: Just

languages/en.yml

@@ -77,8 +77,7 @@ aside:
   card_newest_comments:
     heading: Newest Comments
     loading_text: loading...
-    zero_day: Today
-    day: days ago
+    error: Unable to get the data, please make sure the settings are correct.
 
 date_suffix:
   just: Just

languages/zh-CN.yml

@@ -79,8 +79,7 @@ aside:
   card_newest_comments:
     heading: 最新评论
     loading_text: 正在加载中...
-    zero_day: 今天
-    day: 天前
+    error: 无法获取资料，请确认相关配置是否正确
 
 date_suffix:
   just: 刚刚