MAGETWO-91756: In Related product section add to wishlist and compare is not displaying for mobile devices portrait view

- Fixed issue with missing compare/wishlist buttons on related product listings on mobile view;

Author: Alexey Yakimovich

app/design/frontend/Magento/blank/Magento_Catalog/web/css/source/module/_listings.less

@@ -63,7 +63,6 @@
             }
 
             &-actions {
-                display: none;
 
                 .actions-secondary {
                     > button.action {

app/design/frontend/Magento/luma/Magento_Catalog/web/css/source/module/_listings.less

@@ -68,7 +68,6 @@
             }
 
             &-actions {
-                display: none;
 
                 .actions-secondary {
                     > button.action {