string-list: remove unused function print_string_list

A removal of this helper function was proposed 3 years ago [1]; the
function was never used since it was introduced in 2006 back then,
and there is no new callers since.  Now time has proven we really do
not need the function.

[1] https://public-inbox.org/git/1421343725-3973-1-git-send-email-kuleshovmail@gmail.com/

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

string-list.c

@@ -195,16 +195,6 @@ void string_list_clear_func(struct string_list *list, string_list_clear_func_t c
 	list->nr = list->alloc = 0;
 }
 
-
-void print_string_list(const struct string_list *p, const char *text)
-{
-	int i;
-	if ( text )
-		printf("%s\n", text);
-	for (i = 0; i < p->nr; i++)
-		printf("%s:%p\n", p->items[i].string, p->items[i].util);
-}
-
 struct string_list_item *string_list_append_nodup(struct string_list *list,
 						  char *string)
 {

string-list.h

@@ -113,14 +113,6 @@ typedef int (*string_list_each_func_t)(struct string_list_item *, void *);
 void filter_string_list(struct string_list *list, int free_util,
 			string_list_each_func_t want, void *cb_data);
 
-/**
- * Dump a string_list to stdout, useful mainly for debugging
- * purposes. It can take an optional header argument and it writes out
- * the string-pointer pairs of the string_list, each one in its own
- * line.
- */
-void print_string_list(const struct string_list *p, const char *text);
-
 /**
  * Free a string_list. The `string` pointer of the items will be freed
  * in case the `strdup_strings` member of the string_list is set. The