[gnome-music/wip/jfelder/gtk4-v3] css: Remove unneeded background color hack on lists

[Jean Felder <jfelder src gnome org>]

commit 26740d290c6b9412ea3fdbe784d544e51bebce4e
Author: Jean Felder <jfelder src gnome org>
Date:   Sat Feb 12 12:48:25 2022 +0100

    css: Remove unneeded background color hack on lists
    
    This was only useful in Gtk3 to work around an issue.

 data/org.gnome.Music.css | 10 ----------
 1 file changed, 10 deletions(-)
---
diff --git a/data/org.gnome.Music.css b/data/org.gnome.Music.css
index 0ca82d7c9..635a5f5be 100644
--- a/data/org.gnome.Music.css
+++ b/data/org.gnome.Music.css
@@ -76,16 +76,6 @@
   font-weight: bold;
 }
 
-/* Lists style */
-
-/* workaround to avoid a black background issue
-in AlbumWidget and PlaylistsView
-https://gitlab.gnome.org/GNOME/gtk/issues/694
-*/
-list {
-    background-color: transparent;
-}
-
 .playlistdialog-row:selected {
     color: @theme_fg_color;
     background-color: @theme_insensitive_bg_color;