style: update code style to fix lint

components/style/core/iconfont.less

@@ -242,9 +242,9 @@
 .@{iconfont-css-prefix}-loading-3-quarters:before { content: "\e6ae"; }
 .@{iconfont-css-prefix}-bulb:before { content: "\e649"; }
 .@{iconfont-css-prefix}-select:before { content: "\e64a"; }
-.@{iconfont-css-prefix}-addfile:before, // compatible alias
+.@{iconfont-css-prefix}-addfile:before,
 .@{iconfont-css-prefix}-file-add:before { content: "\e910"; }
-.@{iconfont-css-prefix}-addfolder:before, // compatible alias
+.@{iconfont-css-prefix}-addfolder:before,
 .@{iconfont-css-prefix}-folder-add:before { content: "\e914"; }
 .@{iconfont-css-prefix}-switcher:before { content: "\e913"; }
 .@{iconfont-css-prefix}-rocket:before { content: "\e90f"; }