[gobject-introspection] Revert "codegen.py: Update Generation of everything.[c|h]"

[Chun-wei Fan <fanchunwei src gnome org>]

commit ab3f38c8fdf21930c97026cd25a20efc1d52baa1
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Aug 15 10:11:10 2014 +0800

    Revert "codegen.py: Update Generation of everything.[c|h]"
    
    This reverts commit 7a82752734b496bb619fce62572c0c7f8578350a.

 giscanner/codegen.py |   11 +----------
 1 files changed, 1 insertions(+), 10 deletions(-)
---
diff --git a/giscanner/codegen.py b/giscanner/codegen.py
index a9fa375..e9ed941 100644
--- a/giscanner/codegen.py
+++ b/giscanner/codegen.py
@@ -51,7 +51,6 @@ class CCodeGenerator(object):
 
     def _write_prelude(self, out, func):
         out.write("""
-_GI_TEST_EXTERN
 %s
 %s (""" % (self._typecontainer_to_ctype(func.retval), func.symbol))
         l = len(func.parameters)
@@ -111,18 +110,10 @@ _GI_TEST_EXTERN
 #define __%s_H__
 
 #include <glib-object.h>
-
-#include "../tests/gitestmacros.h"
-
 """ % (nsupper, nsupper))
 
         self.out_c.write(warning)
-        self.out_c.write("""
-#include "config.h"
-
-#include "%s"
-
-""" % (self.out_h_filename, ))
+        self.out_c.write("""#include "%s"\n\n""" % (self.out_h_filename, ))
 
     def _codegen_end(self):
         self.out_h.write("""#endif\n""")