[gtk/wip/jimmac/levelbar-punch] Adwaita: no edge highlight

[Jakub Steiner <jimmac src gnome org>]

commit 3f9ee61a36c43312a098ab7766b3b17405221719
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Apr 15 13:56:12 2020 +0200

    Adwaita: no edge highlight
    
    - Levelbars and progressbars are indicators, not controls. They don't
      need no affordance signifier. Make it flat!
    
    Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/2494

 gtk/theme/Adwaita/_common.scss | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 351c309462..536b385934 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -3178,7 +3178,6 @@ levelbar {
   // level bar colours
   > trough > block {
     border: 1px solid;
-    box-shadow: inset 0 1px 0 0 rgba(255,255,255,0.2);
 
     &.low {
       border-color: if($variant == 'light', darken($warning_color, 10%), $borders_color);