[libadwaita/wip/exalm/borderless: 7/16] stylesheet: Remove redundant undecorated button rules

[Alexander Mikhaylenko <alexm src gnome org>]

commit 8b0ab71ba8122a45e6f5d1c359e182b726bc2580
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Jul 4 19:00:11 2021 +0500

    stylesheet: Remove redundant undecorated button rules

 src/stylesheet/widgets/_buttons.scss | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/src/stylesheet/widgets/_buttons.scss b/src/stylesheet/widgets/_buttons.scss
index f1b3fd14..96a28932 100644
--- a/src/stylesheet/widgets/_buttons.scss
+++ b/src/stylesheet/widgets/_buttons.scss
@@ -286,10 +286,6 @@ button {
 
 %undecorated_button {
   background-color: transparent;
-  background-image: none;
-  border-color: transparent;
-  box-shadow: inset 0 1px transparentize(white, 1),
-              0 1px transparentize(white, 1);
 }
 
 button.color {