Cleanup after rebase

Author: planktonic

scss/bitstyles/tools/_custom-property.scss

@@ -12,5 +12,5 @@
     $string-items: $string-items,
   );
 
-  @return '--#{$custom-property-name}';
+  @return --#{$custom-property-name};
 }

test/scss/test-use-layers.scss

@@ -149,7 +149,7 @@
   $sidebar-large-width: 1rem,
   $sidebar-small-location: right,
   $table-color-th: #f00,
-  $ui-group-border-radius: 10rem
+  $joined-ui-border-radius: 10rem
 );
 @use '../../scss/bitstyles/utilities' with (
   $aspect-ratio-values: (