[libadwaita/wip/exalm/close-margin] stylesheet: Remove GtkWindowControl margins

[Alexander Mikhaylenko <alexm src gnome org>]

commit bce58839cdf3e00f20f1c5b31cc8ce1e55cb4d39
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Apr 29 13:26:25 2021 +0500

    stylesheet: Remove GtkWindowControl margins
    
    Fixes https://gitlab.gnome.org/GNOME/libadwaita/-/issues/105

 src/stylesheet/widgets/_header-bar.scss | 12 ------------
 1 file changed, 12 deletions(-)
---
diff --git a/src/stylesheet/widgets/_header-bar.scss b/src/stylesheet/widgets/_header-bar.scss
index 8d9695d..7c1d37e 100644
--- a/src/stylesheet/widgets/_header-bar.scss
+++ b/src/stylesheet/widgets/_header-bar.scss
@@ -116,18 +116,6 @@ headerbar {
 windowcontrols {
   border-spacing: 6px;
 
-  &:not(.empty) {
-    &.start:dir(ltr),
-    &.end:dir(rtl) {
-      margin-right: 7px;
-    }
-
-    &.start:dir(rtl),
-    &.end:dir(ltr) {
-      margin-left: 7px;
-    }
-  }
-
   button {
     @extend %button_basic;
     @extend %button_basic_flat;