[gnome-shell-sass] background: Remove noise texture

[Florian Müllner <fmuellner src gnome org>]

commit afe0f9ff49cb49ff5185518fd2707bbe759fdf69
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Feb 5 11:21:30 2020 -0300

    background: Remove noise texture
    
    Use the plain background color.
    
    Closes: https://gitlab.gnome.org/GNOME/gnome-shell/issues/2174
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/872

 widgets/_screen-shield.scss | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/widgets/_screen-shield.scss b/widgets/_screen-shield.scss
index 2c45589..6928be9 100644
--- a/widgets/_screen-shield.scss
+++ b/widgets/_screen-shield.scss
@@ -55,8 +55,7 @@
 }
 
 #lockDialogGroup {
-  background: lighten(#2e3436, 8%) url(resource:///org/gnome/shell/theme/noise-texture.png);
-  background-repeat: repeat;
+  background-color: lighten(#2e3436, 8%);
 }
 
 #unlockDialogNotifications {