[gnome-text-editor] css: remove dead code

[Christian Hergert <chergert src gnome org>]

commit bdb60c3681713559e43a5ba00dff4a741aa097a4
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jun 29 10:43:43 2021 -0700

    css: remove dead code

 src/TextEditor.css | 7 -------
 1 file changed, 7 deletions(-)
---
diff --git a/src/TextEditor.css b/src/TextEditor.css
index 3b7cae5..5f40d84 100644
--- a/src/TextEditor.css
+++ b/src/TextEditor.css
@@ -62,13 +62,6 @@
 }
 
 
-/* FIXME: Work around GTK :focus propagation issue */
-notebook:focus,
-notebook:focus:backdrop {
-  outline-color: transparent;
-}
-
-
 /* EditorOpenPopover */
 
 .org-gnome-TextEditor .open-popover listview row {