Pull request #2310: fix: 打包报错

Merge in VISUAL/fineui from ~KIRA/fineui:master to master

* commit '75e428531ceb6ae1eaa740a024ea5f25c047c50e':
  fix: 打包报错

src/less/modern.less

@@ -18,7 +18,6 @@
 
 //base case
 @import "base/pane.less";
-@import "base/calendar/calendar.year.less";
 @import "base/colorchooser/colorchooser.trigger.less";
 @import "base/colorchooser/colorchooser.popup.less";
 @import "base/colorchooser/colorpicker/button.colorpicker.less";