[gupnp] service: Remove obsolete include

[Jens Georg <jensgeorg src gnome org>]

commit 9bc1b54cf0faa03c03333b8c3a01354f92ea0c42
Author: Jens Georg <mail jensge org>
Date:   Sun Jun 5 13:30:04 2022 +0200

    service: Remove obsolete include

 libgupnp/gupnp-service.h | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/libgupnp/gupnp-service.h b/libgupnp/gupnp-service.h
index fc9d3a8..039fe79 100644
--- a/libgupnp/gupnp-service.h
+++ b/libgupnp/gupnp-service.h
@@ -9,8 +9,6 @@
 #ifndef GUPNP_SERVICE_H
 #define GUPNP_SERVICE_H
 
-#include <stdarg.h>
-
 #include "gupnp-service-info.h"
 
 G_BEGIN_DECLS