DEV: Remove effectively unused `disable-no-hover` class

app/assets/javascripts/discourse/app/templates/modal/edit-category.hbs

@@ -28,7 +28,7 @@
     {{else if model.id}}
       <div class="disable_info_wrap">
         {{d-button disabled=deleteDisabled
-                   class="btn-default disable-no-hover"
+                   class="btn-default"
                    action=(action "toggleDeleteTooltip")
                    icon="question-circle"
                    label="category.delete"}}

app/assets/stylesheets/common/foundation/helpers.scss

@@ -76,10 +76,3 @@
 .clickable {
   cursor: pointer;
 }
-
-// Buttons
-// ---------------------------------------------------
-.disable-no-hover:hover {
-  background: dark-light-choose($primary-low, $secondary-medium);
-  color: $primary;
-}