[gtk+] textview: Remove commented block

[Emmanuele Bassi <ebassi src gnome org>]

commit dae97c3027961beb27d8d595ed20a924aaa728d6
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Oct 17 10:41:46 2016 +0100

    textview: Remove commented block
    
    It's referencing gdk_cairo_create(), which does not exist any more.

 gtk/gtktextview.c |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index c4ee222..10fec27 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -10094,16 +10094,6 @@ text_window_invalidate_rect (GtkTextWindow *win,
     }
           
   gdk_window_invalidate_rect (win->bin_window, &window_rect, FALSE);
-
-#if 0
-  {
-    cairo_t *cr = gdk_cairo_create (win->bin_window);
-    gdk_cairo_rectangle (cr, &window_rect);
-    cairo_set_source_rgb  (cr, 1.0, 0.0, 0.0); /* red */
-    cairo_fill (cr);
-    cairo_destroy (cr);
-  }
-#endif
 }
 
 static void