[libadwaita/wip/exalm/backdrop: 5/8] stylesheet: Remove redundant popover:backdrop style

[Alexander Mikhaylenko <alexm src gnome org>]

commit 1079039a7e2e142f29877663ba03900aa7cc4a1f
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Apr 29 18:24:48 2021 +0500

    stylesheet: Remove redundant popover:backdrop style

 src/stylesheet/widgets/_popovers.scss | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/stylesheet/widgets/_popovers.scss b/src/stylesheet/widgets/_popovers.scss
index 9335f80..ff7bb0b 100644
--- a/src/stylesheet/widgets/_popovers.scss
+++ b/src/stylesheet/widgets/_popovers.scss
@@ -22,10 +22,6 @@ popover.background {
     }
   }
 
-  &:backdrop {
-    background-color: transparent;
-  }
-
   > contents {
     padding: 8px;
     border-radius: $popover_radius;