css provider: Remove outdated version check

When looking for versioned theme files, we were
looking for directories names gtk-4.x for x
bigger than 14, which mades sense for GTK 3,
but we are starting out at 0 again, so remove
this check.

gtk/gtkcssprovider.c

@@ -1283,9 +1283,6 @@ _gtk_css_find_theme_dir (const gchar *dir,
 
   for (i = MINOR; i >= 0; i = i - 2)
     {
-      if (i < 14)
-        i = 0;
-
       subsubdir = g_strdup_printf ("gtk-4.%d", i);
       path = g_build_filename (base, subsubdir, file, NULL);
       g_free (subsubdir);