[6.0] af6408c1f Unused #include

[Dridi Boukelmoune]

commit af6408c1f106d6de6894d9fb9bcf68912ef828c2
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Tue Apr 10 08:58:29 2018 +0000

    Unused #include

diff --git a/lib/libvmod_proxy/vmod_proxy.c b/lib/libvmod_proxy/vmod_proxy.c
index 8c6973c1a..fa7b9617e 100644
--- a/lib/libvmod_proxy/vmod_proxy.c
+++ b/lib/libvmod_proxy/vmod_proxy.c
@@ -35,7 +35,6 @@
 #include "cache/cache.h"
 
 #include "vend.h"
-#include "vcl.h"
 
 #include "proxy/cache_proxy.h"