Update Profile Featured tab to latest designs (#38616)

app/javascript/styles/mastodon/components.scss

@@ -4105,15 +4105,6 @@ a.account__display-name {
   margin: -6px 10px;
 }
 
-.column-subheading {
-  background: var(--color-bg-secondary);
-  color: var(--color-text-secondary);
-  padding: 12px 24px;
-  font-size: 13px;
-  font-weight: 500;
-  text-transform: uppercase;
-}
-
 .getting-started__wrapper {
   flex: 0 0 auto;
 }