[gtk/theme-reorg] Drop Adwaita and HighContrast themes

[Matthias Clasen <matthiasc src gnome org>]

commit 846de22b59b24acb2e5786ebd09549f92f7212e4
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 15 00:52:40 2021 -0500

    Drop Adwaita and HighContrast themes
    
    This needs to wait until libadwaita exists and provides
    these themes.

 gtk/gen-gtk-gresources-xml.py | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/gtk/gen-gtk-gresources-xml.py b/gtk/gen-gtk-gresources-xml.py
index 01322108ea..25183bfb8c 100644
--- a/gtk/gen-gtk-gresources-xml.py
+++ b/gtk/gen-gtk-gresources-xml.py
@@ -41,12 +41,6 @@ xml += '''
     <file>theme/Default/Default-dark.css</file>
     <file>theme/Default/Default-hc.css</file>
     <file>theme/Default/Default-hc-dark.css</file>
-    <file alias='theme/Adwaita/gtk.css'>theme/Default/gtk.css</file>
-    <file alias='theme/Adwaita/gtk-dark.css'>theme/Default/gtk-dark.css</file>
-    <file alias='theme/Adwaita-dark/gtk.css'>theme/Default/gtk-dark.css</file>
-    <file alias='theme/HighContrast/gtk.css'>theme/Default/gtk-hc.css</file>
-    <file alias='theme/HighContrast/gtk-dark.css'>theme/Default/gtk-hc-dark.css</file>
-    <file alias='theme/HighContrastInverse/gtk.css'>theme/Default/gtk-hc-dark.css</file>
 '''
 
 for f in get_files('theme/Default/assets', '.png'):