[gtksourceview] Remove useless define.

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 49bc00129b8ad99773f4f72078bb62022c9c6d5e
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu Jun 17 16:45:08 2010 +0200

    Remove useless define.

 tests/test-widget.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/tests/test-widget.c b/tests/test-widget.c
index 958427e..2fa996d 100644
--- a/tests/test-widget.c
+++ b/tests/test-widget.c
@@ -52,10 +52,6 @@ static GtkSourceStyleScheme *style_scheme = NULL;
 #define MARK_TYPE_1      "one"
 #define MARK_TYPE_2      "two"
 
-#if !GTK_CHECK_VERSION (2, 18, 0)
-#define gtk_widget_get_visible(widget)                          (GTK_WIDGET_VISIBLE (widget))
-#endif /* GTK+ < 2.18.0 */
-
 
 /* Private prototypes -------------------------------------------------------- */