Revert "feat(header): add opt-in auto-hide-on-scroll for the header (#6738)" (#6740)

This reverts commit e58c229664.

apps/nextjs/src/components/layout/header/configurable-header.module.css

@@ -1,16 +1,11 @@
 .header {
   overflow: hidden;
-  transition: transform 220ms ease;
 }
 
 .header[data-visible="false"] {
   display: none;
 }
 
-.header[data-auto-hidden="true"]:not(:focus-within) {
-  transform: translateY(-100%);
-}
-
 .desktopContent {
   width: 100%;
   height: 100%;
@@ -181,7 +176,6 @@
 }
 
 @media (prefers-reduced-motion: reduce) {
-  .header,
   .floatingControls {
     transition: none;
   }