remove futile code

packages/app/src/styles/_sidebar.scss

@@ -343,10 +343,7 @@
   .grw-sidebar {
     height: $search-page-sidebar-height;
     .data-layout-container {
-      height: $search-page-sidebar-height;
-    }
-    .grw-sidebar-nav {
-      height: $search-page-sidebar-height;
+      height: 100%;
     }
   }
 }