[gnome-builder] style: remove underline from focus switcher button

[Christian Hergert <chergert src gnome org>]

commit 455fab80589fd73a8bfff154a3b9255be838b735
Author: Christian Hergert <christian hergert me>
Date:   Mon Jun 8 17:35:40 2015 -0700

    style: remove underline from focus switcher button

 data/theme/Adwaita-shared.css |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/data/theme/Adwaita-shared.css b/data/theme/Adwaita-shared.css
index 4a540ea..8adda4d 100644
--- a/data/theme/Adwaita-shared.css
+++ b/data/theme/Adwaita-shared.css
@@ -60,8 +60,6 @@ GbWorkspacePane GtkStackSwitcher .button {
 }
 GbWorkspacePane GtkStackSwitcher .button:checked {
   opacity: 1.0;
-  border-top: 1px solid transparent;
-  border-bottom: 1px solid @theme_selected_bg_color;
 }