refs: remove old refs_warn_dangling_symref

The dangling warning function that takes a single ref to search for
is no longer used.  Remove it.

Signed-off-by: Phil Hord <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: phord

refs.c

@@ -438,7 +438,6 @@ static int for_each_filter_refs(const char *refname, const char *referent,
 struct warn_if_dangling_data {
 	struct ref_store *refs;
 	FILE *fp;
-	const char *refname;
 	const struct string_list *refnames;
 	const char *msg_fmt;
 };
@@ -455,9 +454,7 @@ static int warn_if_dangling_symref(const char *refname, const char *referent UNU
 
 	resolves_to = refs_resolve_ref_unsafe(d->refs, refname, 0, NULL, NULL);
 	if (!resolves_to
-	    || (d->refname
-		? strcmp(resolves_to, d->refname)
-		: !string_list_has_string(d->refnames, resolves_to))) {
+	    || !string_list_has_string(d->refnames, resolves_to)) {
 		return 0;
 	}
 
@@ -466,18 +463,6 @@ static int warn_if_dangling_symref(const char *refname, const char *referent UNU
 	return 0;
 }
 
-void refs_warn_dangling_symref(struct ref_store *refs, FILE *fp,
-			       const char *msg_fmt, const char *refname)
-{
-	struct warn_if_dangling_data data = {
-		.refs = refs,
-		.fp = fp,
-		.refname = refname,
-		.msg_fmt = msg_fmt,
-	};
-	refs_for_each_rawref(refs, warn_if_dangling_symref, &data);
-}
-
 void refs_warn_dangling_symrefs(struct ref_store *refs, FILE *fp,
 				const char *msg_fmt, const struct string_list *refnames)
 {

refs.h

@@ -435,8 +435,6 @@ static inline const char *has_glob_specials(const char *pattern)
 	return strpbrk(pattern, "?*[");
 }
 
-void refs_warn_dangling_symref(struct ref_store *refs, FILE *fp,
-			       const char *msg_fmt, const char *refname);
 void refs_warn_dangling_symrefs(struct ref_store *refs, FILE *fp,
 				const char *msg_fmt, const struct string_list *refnames);