remote: remove add_prune_tags_to_fetch_refspec

Remove 'add_prune_tags_to_fetch_refspec()' function and instead have the
only caller directly add the tag refspec using 'refspec_append()'.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/fetch.c

@@ -1392,7 +1392,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv, int pru
 
 	maybe_prune_tags = prune_tags_ok && prune_tags;
 	if (maybe_prune_tags && remote_via_config)
-		add_prune_tags_to_fetch_refspec(remote);
+		refspec_append(&remote->fetch, TAG_REFSPEC);
 
 	if (argc > 0 || (maybe_prune_tags && !remote_via_config)) {
 		size_t nr_alloc = st_add3(argc, maybe_prune_tags, 1);

remote.c

@@ -77,11 +77,6 @@ static const char *alias_url(const char *url, struct rewrites *r)
 	return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len);
 }
 
-void add_prune_tags_to_fetch_refspec(struct remote *remote)
-{
-	refspec_append(&remote->fetch, TAG_REFSPEC);
-}
-
 static void add_url(struct remote *remote, const char *url)
 {
 	ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);

remote.h

@@ -290,6 +290,4 @@ extern int parseopt_push_cas_option(const struct option *, const char *arg, int
 extern int is_empty_cas(const struct push_cas_option *);
 void apply_push_cas(struct push_cas_option *, struct remote *, struct ref *);
 
-void add_prune_tags_to_fetch_refspec(struct remote *remote);
-
 #endif