[grilo-plugins] test: Remove unused function

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit c9b4a10d90e2190c6a732ec1ab0f17233c13cff1
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Tue Mar 19 17:04:20 2013 +0000

    test: Remove unused function

 test/test_tmdb_full_resolution.c |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/test/test_tmdb_full_resolution.c b/test/test_tmdb_full_resolution.c
index a4f904d..33e8b26 100644
--- a/test/test_tmdb_full_resolution.c
+++ b/test/test_tmdb_full_resolution.c
@@ -38,15 +38,6 @@ compare_floats(gfloat a, gfloat b)
   return fabs(a - b) < DBL_EPSILON;
 }
 
-static const char*
-iso_date (const GDateTime *date, char **strbuf)
-{
-  if (*strbuf)
-    g_free (*strbuf);
-
-  return (*strbuf = g_date_time_format ((GDateTime *) date, "%F"));
-}
-
 static const gchar*
 get_region_certificate (GrlMedia *media, const gchar *region)
 {