remove dead code

Author: jderochervlk

src/layouts/SidebarLayout.res

@@ -143,23 +143,6 @@ module Sidebar = {
   ) => {
     let isItemActive = (navItem: NavItem.t) => navItem.href === (route :> string)
 
-    // the height of the navbars above is fluid across pages, and it's easy to get it wrong
-    // so we calculate it dynamically here
-    let sidebarTopOffset = isOpen
-      ? {
-          let mobileNavbarHeight =
-            Nullable.make(document->WebAPI.Document.getElementById("mobile-navbar"))
-            ->Nullable.map(el => el.clientHeight)
-            ->Nullable.getOr(0)
-          let docNavbarHeight =
-            Nullable.make(document->WebAPI.Document.getElementById("doc-navbar"))
-            ->Nullable.map(el => el.clientHeight)
-            ->Nullable.getOr(0)
-
-          mobileNavbarHeight + docNavbarHeight + 8
-        }
-      : 0
-
     let getActiveToc = (navItem: NavItem.t) => {
       if navItem.href === (route :> string) {
         activeToc