Fix empty column explainer getting cropped under certain conditions (#28337)

app/javascript/styles/mastodon/components.scss

@@ -4493,11 +4493,6 @@ a.status-card {
   align-items: center;
   justify-content: center;
 
-  @supports (display: grid) {
-    // hack to fix Chrome <57
-    contain: strict;
-  }
-
   & > span {
     max-width: 500px;
   }