remove unused entrypoint field

ventige of the cgi support (and lack of url rewriting)

gmid.c

@@ -273,7 +273,6 @@ free_config(void)
 		free((char*)h->cert);
 		free((char*)h->key);
 		free((char*)h->ocsp);
-		free((char*)h->entrypoint);
 
 		TAILQ_REMOVE(&hosts, h, vhosts);
 		free(h);

gmid.h

@@ -160,7 +160,6 @@ struct vhost {
 	const char	*cert;
 	const char	*key;
 	const char	*ocsp;
-	const char	*entrypoint;
 
 	TAILQ_ENTRY(vhost) vhosts;