[gnote] Remove old hack

[Aurimas Černius <aurimasc src gnome org>]

commit 16f25f46af3d7fd85f1399e9ac95366923e2a675
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Tue Apr 9 21:12:14 2019 +0300

    Remove old hack

 src/debug.hpp | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
---
diff --git a/src/debug.hpp b/src/debug.hpp
index 74da13d3..43d66d31 100644
--- a/src/debug.hpp
+++ b/src/debug.hpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2012-2013 Aurimas Cernius
+ * Copyright (C) 2012-2013,2019 Aurimas Cernius
  * Copyright (C) 2009 Hubert Figuiere
  *
  * This program is free software: you can redistribute it and/or modify
@@ -21,12 +21,6 @@
 #ifndef __UTILS_DEBUG_H__
 #define __UTILS_DEBUG_H__
 
-#ifdef __GNUC__
-// we have to mark this as a system header because otherwise GCC barfs 
-// on variadic macros.
-#pragma GCC system_header
-#endif
-
 #include <assert.h>
 #include "base/macros.hpp"