ui-shared: remove cgit_print_date()

There are no longer any users of this function.

Signed-off-by: John Keeping <john@keeping.me.uk>
diff --git a/ui-shared.c b/ui-shared.c
index eaa45fb..d1f9249 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -607,26 +607,6 @@
 		path[len - 1] = tail;
 }
 
-static const char *fmt_date(time_t secs, const char *format, int local_time)
-{
-	static char buf[64];
-	struct tm *time;
-
-	if (!secs)
-		return "";
-	if (local_time)
-		time = localtime(&secs);
-	else
-		time = gmtime(&secs);
-	strftime(buf, sizeof(buf)-1, format, time);
-	return buf;
-}
-
-void cgit_print_date(time_t secs, const char *format, int local_time)
-{
-	html_txt(fmt_date(secs, format, local_time));
-}
-
 const struct date_mode *cgit_date_mode(const char *format)
 {
 	static struct date_mode mode;
diff --git a/ui-shared.h b/ui-shared.h
index e42f13a..43789de 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -62,7 +62,6 @@
 __attribute__((format (printf,1,0)))
 extern void cgit_vprint_error(const char *fmt, va_list ap);
 extern const struct date_mode *cgit_date_mode(const char *format);
-extern void cgit_print_date(time_t secs, const char *format, int local_time);
 extern void cgit_print_age(time_t t, int tz, time_t max_relative);
 extern void cgit_print_http_headers(void);
 extern void cgit_redirect(const char *url, bool permanent);