Implements MODULE_config_import_delete().
function image_config_import_delete($name, $new_config, $old_config) {
// Only image styles require custom handling. Any other module settings can be
// synchronized directly.
if (strpos($name, 'image.style.') !== 0) {
return FALSE;
}
// @todo image_style_delete() supports the notion of a "replacement style"
// to be used by other modules instead of the deleted style. Essential!
// But that is impossible currently, since the config system only knows
// about deleted and added changes. Introduce an 'old_ID' key within
// config objects as a standard?
list(, , $id) = explode('.', $name);
$style = entity_load('image_style', $id);
return image_style_delete($style);
}