Remove comment and standardize quotes in card-status styles

core/scss/ui/_cards.scss

@@ -423,9 +423,6 @@ Card optinos
 /**
 Card status
  */
-// The strip is a full-size overlay with the card's own radius, masked down to
-// a band along one edge, so the colored edge follows the card's rounded
-// corners exactly instead of a separate box whose radius never matches.
 .card-status-top,
 .card-status-start,
 .card-status-bottom {
@@ -444,7 +441,7 @@ Card status
 .card-status-start {
   mask-image: linear-gradient(to right, #000 var(--card-status-size), transparent var(--card-status-size));
 
-  [dir="rtl"] & {
+  [dir='rtl'] & {
     mask-image: linear-gradient(to left, #000 var(--card-status-size), transparent var(--card-status-size));
   }
 }