doc: remove scroll-behavior: smooth;

PR-URL: #53942
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: cloydlau

doc/api_assets/style.css

@@ -60,12 +60,6 @@
 }
 
 /*--------------------- Layout and Typography ----------------------------*/
-@media (prefers-reduced-motion: no-preference) {
-  html {
-    scroll-behavior: smooth;
-  }
-}
-
 html {
   font-size: 1rem;
   overflow-wrap: break-word;