[gedit] view-frame: remove usage of deprecated gtk_widget_override_background_color

[Sébastien Lafargue <slafargue src gnome org>]

commit ae1645165fddd77ff004b9ae40b239a21f340714
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Tue Nov 27 19:16:02 2018 +0100

    view-frame: remove usage of deprecated gtk_widget_override_background_color
    
    A GtkOverlay has no window anyway so it has no effect at all

 gedit/gedit-view-frame.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/gedit/gedit-view-frame.c b/gedit/gedit-view-frame.c
index cb0888023..67c067a41 100644
--- a/gedit/gedit-view-frame.c
+++ b/gedit/gedit-view-frame.c
@@ -1461,7 +1461,6 @@ gedit_view_frame_init (GeditViewFrame *frame)
 {
        GeditDocument *doc;
        GtkSourceFile *file;
-       GdkRGBA transparent = {0, 0, 0, 0};
 
        gedit_debug (DEBUG_WINDOW);
 
@@ -1474,8 +1473,6 @@ gedit_view_frame_init (GeditViewFrame *frame)
                         "visible",
                         G_SETTINGS_BIND_GET | G_SETTINGS_BIND_NO_SENSITIVITY);
 
-       gtk_widget_override_background_color (GTK_WIDGET (frame), 0, &transparent);
-
        doc = get_document (frame);
        file = gedit_document_get_file (doc);