[gnome-software/wip/exalm/style-cleanups: 18/21] styles: Remove flat header bar style

[Alexander Mikhaylenko <alexm src gnome org>]

commit e82a6e66036e5a2760f2dc6a3716acd7259e9acb
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue Nov 9 22:49:43 2021 +0500

    styles: Remove flat header bar style
    
    All of those header bars already have .flat.

 src/gtk-style.css | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/src/gtk-style.css b/src/gtk-style.css
index 351bee25f..a6236d514 100644
--- a/src/gtk-style.css
+++ b/src/gtk-style.css
@@ -310,12 +310,6 @@ star-image {
        padding-right: 16px;
 }
 
-/* the loading page headerbar */
-overlay > headerbar {
-  background: none;
-  border: none;
-}
-
 /* The following style are taken from libhandy's AdwPreferencesPage style, which
  * implements the style for titled lists of lists.
  * FIXME: Drop these styles if the pages using it are ported to