[libadwaita/wip/exalm/stylesheet2: 8/103] stylesheet: Drop button osd-backdrop state

[Alexander Mikhaylenko <alexm src gnome org>]

commit 76c1e1153d0ddd1ef58161d0513bfc53f39fc1ab
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Apr 7 16:03:32 2021 +0500

    stylesheet: Drop button osd-backdrop state

 src/stylesheet/_drawing.scss | 13 -------------
 1 file changed, 13 deletions(-)
---
diff --git a/src/stylesheet/_drawing.scss b/src/stylesheet/_drawing.scss
index baf0afb..3f81a7b 100644
--- a/src/stylesheet/_drawing.scss
+++ b/src/stylesheet/_drawing.scss
@@ -299,19 +299,6 @@ $_default_button_c: lighten($bg_color,2%);
     background-clip: padding-box;
   }
 
-  @else if $t==osd-backdrop {
-  //
-  // backdrop osd button
-  //
-    $_bg: if($c != $_default_button_c, transparentize($c, 0.5), $osd_bg_color);
-
-    color: $osd_fg_color;
-    border-color: $osd_borders_color;
-    background-color: transparent;
-    background-image: image($_bg);
-    background-clip: padding-box;
-  }
-
   @else if $t==undecorated {
   //
   // reset