qapi: remove needless include

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

qapi/qapi-forward-visitor.c

@@ -23,7 +23,6 @@
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
-#include "qemu/option.h"
 
 struct ForwardFieldVisitor {
     Visitor visitor;