refs/ref-cache.[ch]: remove unused add_ref_entry()

This function has not been used since 9dd389f (packed_ref_store:
get rid of the `ref_cache` entirely, 2017-09-25).

Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: avar

refs/ref-cache.c

@@ -212,15 +212,6 @@ struct ref_entry *find_ref_entry(struct ref_dir *dir, const char *refname)
 	return (entry->flag & REF_DIR) ? NULL : entry;
 }
 
-int add_ref_entry(struct ref_dir *dir, struct ref_entry *ref)
-{
-	dir = find_containing_dir(dir, ref->name, 1);
-	if (!dir)
-		return -1;
-	add_entry_to_dir(dir, ref);
-	return 0;
-}
-
 /*
  * Emit a warning and return true iff ref1 and ref2 have the same name
  * and the same oid. Die if they have the same name but different

refs/ref-cache.h

@@ -199,13 +199,6 @@ void free_ref_cache(struct ref_cache *cache);
  */
 void add_entry_to_dir(struct ref_dir *dir, struct ref_entry *entry);
 
-/*
- * Add a ref_entry to the ref_dir (unsorted), recursing into
- * subdirectories as necessary.  dir must represent the top-level
- * directory.  Return 0 on success.
- */
-int add_ref_entry(struct ref_dir *dir, struct ref_entry *ref);
-
 /*
  * Find the value entry with the given name in dir, sorting ref_dirs
  * and recursing into subdirectories as necessary.  If the name is not