remove redundant unbutton styles

- relates to #8790

CHANGELOG.txt

@@ -10,6 +10,7 @@ Changelog
  * Most images in the admin will now only load once they are visible on screen (Jake Howard)
  * Allow setting default attributes on image tags (Jake Howard)
  * Optimise the performance of the Wagtail userbar to remove duplicated queries, improving page loads when viewing live pages while signed in (Jake Howard)
+ * Remove legacy `unbutton` styling for buttons (Paarth Agarwal)
  * Fix: Prevent `PageQuerySet.not_public` from returning all pages when no page restrictions exist (Mehrdad Moradizadeh)
 
 

client/scss/components/_button.scss

@@ -171,35 +171,6 @@
     margin-inline-start: 1em;
   }
 
-  // A completely unstyled button
-  &.unbutton {
-    border-radius: 0;
-    width: auto;
-    height: auto;
-    padding: 0;
-    font-size: inherit;
-    font-weight: normal;
-    vertical-align: middle;
-    display: inline;
-    background-color: transparent;
-    border: 0;
-    color: inherit;
-    text-decoration: none;
-    white-space: nowrap;
-    position: relative;
-    overflow: hidden;
-    box-sizing: border-box;
-    -webkit-font-smoothing: auto;
-    // stylelint-disable-next-line property-no-vendor-prefix
-    -moz-appearance: none;
-
-    &:hover,
-    &:focus,
-    &:active {
-      background-color: transparent;
-    }
-  }
-
   // stylelint-disable-next-line no-duplicate-selectors
   &:hover {
     background-color: $color-button-hover;

docs/releases/4.1.md

@@ -18,6 +18,7 @@ Wagtail 4.1 is designated a Long Term Support (LTS) release. Long Term Support r
  * Most images in the admin will now only load once they are visible on screen (Jake Howard)
  * Allow setting default attributes on image tags [](adding_default_attributes_to_images) (Jake Howard)
  * Optimise the performance of the Wagtail userbar to remove duplicated queries, improving page loads when viewing live pages while signed in (Jake Howard)
+ * Remove legacy `unbutton` styling for buttons (Paarth Agarwal)
 
 ### Bug fixes