[libadwaita/wip/exalm/background-colors: 11/20] stylesheet: Simplify needs-attention indicator

[Alexander Mikhaylenko <alexm src gnome org>]

commit e648cec60d4c055d7609cba0e5ee1c05c836dfb0
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Oct 18 13:25:36 2021 +0500

    stylesheet: Simplify needs-attention indicator
    
    It has a shadow in the past, but not anymore, so everything related to
    mulitple backgrounds and light/dark special casing is redundant.

 src/stylesheet/_common.scss | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/src/stylesheet/_common.scss b/src/stylesheet/_common.scss
index 48120d1e..ee41361a 100644
--- a/src/stylesheet/_common.scss
+++ b/src/stylesheet/_common.scss
@@ -91,17 +91,13 @@ expander-widget {
   animation: needs_attention 150ms ease-in;
 
   background-image: radial-gradient(farthest-side, $accent_bg_color 96%, transparent);
-  background-size: 6px 6px, 6px 6px;
+  background-size: 6px 6px;
   background-repeat: no-repeat;
 
-  @if $variant == 'light' { background-position: right 3px, right 4px; }
-
-  @else { background-position: right 3px, right 2px; }
+  background-position: right 3px;
 
   &:dir(rtl) {
-    @if $variant == 'light' { background-position: left 3px, left 4px; }
-
-    @else { background-position: left 3px, left 2px; }
+    background-position: left 3px;
   }
 }