[libadwaita/wip/exalm/style: 5/6] window-mixin: Drop the unified style class

[Adrien Plazas <aplazas src gnome org>]

commit 500a280f73387fd01ae94abc03e7636824ec727f
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Thu Feb 25 13:22:51 2021 +0500

    window-mixin: Drop the unified style class
    
    There's nothing special about these windows anyomre, we don't need to have
    special style classes.

 src/adw-window-mixin.c | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/adw-window-mixin.c b/src/adw-window-mixin.c
index f80caf0..f8b3c17 100644
--- a/src/adw-window-mixin.c
+++ b/src/adw-window-mixin.c
@@ -94,8 +94,6 @@ adw_window_mixin_new (GtkWindow      *window,
   gtk_widget_set_layout_manager (self->contents, gtk_bin_layout_new ());
   gtk_window_set_child (window, self->contents);
 
-  gtk_widget_add_css_class (GTK_WIDGET (window), "unified");
-
   return self;
 }