def qos_specs_item_delete(context, qos_specs_id, key):
 return IMPL.qos_specs_item_delete(context, qos_specs_id, key)

def qos_specs_item_delete ( context , qos_specs_id , key ) : return IMPL . qos_specs_item_delete ( context , qos_specs_id , key )
delete specified key in the qos_specs .