[web] implement strikethrough for educational discount (#22598)

GitOrigin-RevId: 9cacc3f279c7f441a2e8f1cbdb08f7d49390d447

services/web/frontend/stylesheets/app/plans/plans-new-design.less

@@ -393,10 +393,6 @@
       font-weight: 600;
       line-height: var(--line-height-07);
       color: var(--neutral-90);
-
-      &[data-ol-plans-new-group-without-discount] {
-        padding-top: var(--spacing-04);
-      }
     }
 
     .plans-new-table-header-price-unit {