[gtk+] Adwaita: remove old headerbar separator styling

[Lapo Calamandrei <lapo src gnome org>]

commit 367543c0e8ed7e86b9fc7d26edd04a7e95d06f36
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Sat Jan 9 11:55:40 2016 +0100

    Adwaita: remove old headerbar separator styling
    
    which was actually selecting nothing now.

 gtk/theme/Adwaita/_common.scss           |   16 ----------------
 gtk/theme/Adwaita/gtk-contained-dark.css |    7 -------
 gtk/theme/Adwaita/gtk-contained.css      |    7 -------
 3 files changed, 0 insertions(+), 30 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index bb22ace..d7ffb3b 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -1143,22 +1143,6 @@ headerbar {
     @extend .dim-label;
   }
 
-  // FIXME: we need a safer way to select this separator
-  & > GtkBox > separator.vertical {
-    border-width: 0 1px;
-    border-image: linear-gradient(to bottom,
-                                  transparentize($borders_color,1),
-                                  $borders_color 30%,
-                                  $borders_color 70%,
-                                  transparentize($borders_color,1) 100%)
-                  0 1 / 0 1px stretch; //FIXME use a proper color
-
-    &:backdrop {
-      border-image: linear-gradient(to bottom, transparentize($backdrop_borders_color, 0.5))
-                    0 1 / 1px 1px;  //FIXME use a proper color
-    }
-  }
-
   &.selection-mode {
     $_hc: mix($top_hilight,$selected_bg_color, 50%); // hilight color
 
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 039e063..ab57a2c 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -1628,13 +1628,6 @@ headerbar {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  .titlebar:not(headerbar) > GtkBox > separator.vertical,
-  headerbar > GtkBox > separator.vertical {
-    border-width: 0 1px;
-    border-image: linear-gradient(to bottom, rgba(28, 31, 31, 0), #1c1f1f 30%, #1c1f1f 70%, rgba(28, 31, 31, 
0) 100%) 0 1/0 1px stretch; }
-    .titlebar:not(headerbar) > GtkBox > separator.vertical:backdrop,
-    headerbar > GtkBox > separator.vertical:backdrop {
-      border-image: linear-gradient(to bottom, rgba(31, 34, 34, 0.5)) 0 1/1px 1px; }
   .selection-mode.titlebar:not(headerbar),
   headerbar.selection-mode {
     color: #ffffff;
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index f39a0b0..9a01662 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -1632,13 +1632,6 @@ headerbar {
     font-size: smaller;
     padding-left: 12px;
     padding-right: 12px; }
-  .titlebar:not(headerbar) > GtkBox > separator.vertical,
-  headerbar > GtkBox > separator.vertical {
-    border-width: 0 1px;
-    border-image: linear-gradient(to bottom, rgba(157, 157, 153, 0), #9d9d99 30%, #9d9d99 70%, rgba(157, 
157, 153, 0) 100%) 0 1/0 1px stretch; }
-    .titlebar:not(headerbar) > GtkBox > separator.vertical:backdrop,
-    headerbar > GtkBox > separator.vertical:backdrop {
-      border-image: linear-gradient(to bottom, rgba(165, 165, 161, 0.5)) 0 1/1px 1px; }
   .selection-mode.titlebar:not(headerbar),
   headerbar.selection-mode {
     color: #ffffff;