remove cruft; rebase fixup

Author: drammock

src/pydata_sphinx_theme/assets/styles/components/_breadcrumbs.scss

@@ -13,6 +13,8 @@ ul.bd-breadcrumbs {
   li.breadcrumb-item {
     display: flex;
     align-items: center;
+    white-space: nowrap;
+    flex-shrink: 0;
 
     &.active {
       flex-shrink: 1;

src/pydata_sphinx_theme/assets/styles/sections/_header-article.scss

@@ -1,5 +1,4 @@
 .header-article__inner {
-  // display: flex;
   padding: 0 0.5rem;
 
   // The items define the height so that it disappears if there are no items
@@ -10,7 +9,6 @@
 
   .header-article-items__start,
   .header-article-items__end {
-    // display: flex;
     align-items: start;
     gap: 0.5rem;
   }