ENGCOM-2003: [Forwardport] Removed unnecessary css. #2 magento#15798

 - Merge Pull Request magento#15798 from chirag-wagento/magento2:2.3-develop-PR-port-15789
 - Merged commits:
   1. cd0a7b4

Author: magento-engcom-team

app/design/frontend/Magento/luma/web/css/source/_actions-toolbar.less

@@ -22,10 +22,6 @@
                 &:last-child {
                     margin-bottom: 0;
                 }
-
-                &.primary {
-                    //  &:extend(.abs-button-l all);
-                }
             }
 
             &:last-child {