[gnome-shell-sass] appDisplay: Properly hide overlay scrollbar in folders

[Florian Müllner <fmuellner src gnome org>]

commit 10c8ad48dad68636ea077844ec598222a972bb9c
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Sun Feb 16 21:55:39 2020 +0100

    appDisplay: Properly hide overlay scrollbar in folders
    
    Use the scroll-view policy ST_POLICY_EXTERNAL to hide the scrollbar
    instead of setting its css properties to hidden, where it can still be
    clicked but isn't visible.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/1011

 widgets/_app-grid.scss | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/widgets/_app-grid.scss b/widgets/_app-grid.scss
index 0209108..b23bea9 100644
--- a/widgets/_app-grid.scss
+++ b/widgets/_app-grid.scss
@@ -73,10 +73,6 @@ $app_grid_fg_color: #fff;
       & > StIcon { icon-size: 16px }
     }
   }
-
-  & StButton#vhandle,
-  & StButton#vhandle:hover,
-  & StButton#vhandle:active { background-color: transparent; }
 }
 .app-folder-dialog-container {
   padding: 12px;