[gnome-shell-sass] theme: Remove unused assets

[Florian Müllner <fmuellner src gnome org>]

commit 8b2884579bf8e31ea4ac8f8fc3e570c8b43d0e4b
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Sep 1 13:52:53 2018 +0200

    theme: Remove unused assets
    
    Spotted by monday15.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/520

 _common.scss | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/_common.scss b/_common.scss
index 5338f28..64f9b02 100644
--- a/_common.scss
+++ b/_common.scss
@@ -688,7 +688,6 @@ StScrollBar {
     height: 50px;
     background-color: $selected_bg_color;
     color: $selected_fg_color;
-    //background-image: url("resource:///org/gnome/shell/theme/ws-switch-arrow-up.png");
     background-size: 32px;
     border-radius: 8px;
   }