remove import css

DashboardWorkplace/src/style.less

 @import '~antd/lib/style/themes/default.less';
-@import './utils.less';
+
+.textOverflow() {
+  overflow: hidden;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  word-break: break-all;
+}
+
+// mixins for clearfix
+// ------------------------
+.clearfix() {
+  zoom: 1;
+  &::before,
+  &::after {
+    display: table;
+    content: ' ';
+  }
+  &::after {
+    clear: both;
+    height: 0;
+    font-size: 0;
+    visibility: hidden;
+  }
+}
 
 .activitiesList {
   padding: 0 24px 8px 24px;

DashboardWorkplace/src/utils.less

-.textOverflow() {
-  overflow: hidden;
-  white-space: nowrap;
-  text-overflow: ellipsis;
-  word-break: break-all;
-}
-
-.textOverflowMulti(@line: 3, @bg: #fff) {
-  position: relative;
-  max-height: @line * 1.5em;
-  margin-right: -1em;
-  padding-right: 1em;
-  overflow: hidden;
-  line-height: 1.5em;
-  text-align: justify;
-  &::before {
-    position: absolute;
-    right: 14px;
-    bottom: 0;
-    padding: 0 1px;
-    background: @bg;
-    content: '...';
-  }
-  &::after {
-    position: absolute;
-    right: 14px;
-    width: 1em;
-    height: 1em;
-    margin-top: 0.2em;
-    background: white;
-    content: '';
-  }
-}
-
-// mixins for clearfix
-// ------------------------
-.clearfix() {
-  zoom: 1;
-  &::before,
-  &::after {
-    display: table;
-    content: ' ';
-  }
-  &::after {
-    clear: both;
-    height: 0;
-    font-size: 0;
-    visibility: hidden;
-  }
-}