Remove stray comment in CSS

src/styles/d-article.css

@@ -1,6 +1,6 @@
 d-article {
   contain: layout style;
-  overflow-x: hidden; // allow overflow y for e.g. hover boxes
+  overflow-x: hidden;
   border-top: 1px solid rgba(0, 0, 0, 0.1);
   padding-top: 2rem;
   color: rgba(0, 0, 0, 0.8);