[gtksourceview/wip/chergert/gsv-gtk4] stylescheme: remove fallback code for border styling

[Christian Hergert <chergert src gnome org>]

commit 6bb8d8cc99a10801bd80cb889a0345524fade8ef
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 3 10:34:05 2020 -0700

    stylescheme: remove fallback code for border styling

 gtksourceview/gtksourcestylescheme.c | 8 --------
 1 file changed, 8 deletions(-)
---
diff --git a/gtksourceview/gtksourcestylescheme.c b/gtksourceview/gtksourcestylescheme.c
index 8c726b64..517b449d 100644
--- a/gtksourceview/gtksourcestylescheme.c
+++ b/gtksourceview/gtksourcestylescheme.c
@@ -896,14 +896,6 @@ generate_css_style (GtkSourceStyleScheme *scheme)
                append_css_style (final_style, style, "textview .right");
                append_css_style (final_style, style, "textview .top");
                append_css_style (final_style, style, "textview .bottom");
-
-               /* For the corners if the top or bottom gutter is also
-                * displayed.
-                * FIXME: this shouldn't be necessary, GTK+ should apply the
-                * border style to the corners too, see:
-                * https://bugzilla.gnome.org/show_bug.cgi?id=764239
-                */
-               append_css_style (final_style, style, "textview");
        }
 
        style = gtk_source_style_scheme_get_style (scheme, STYLE_CURRENT_LINE_NUMBER);