promise: Remove obsolete legacy code

slapos/grid/promise/generic.py

@@ -41,8 +41,6 @@ import six
 from six import PY3, with_metaclass
 from datetime import datetime, timedelta
 
-from pkg_resources import parse_version
-
 PROMISE_STATE_FOLDER_NAME = '.slapgrid/promise'
 PROMISE_RESULT_FOLDER_NAME = '.slapgrid/promise/result'
 PROMISE_LOG_FOLDER_NAME = '.slapgrid/promise/log'
@@ -496,11 +494,6 @@ class GenericPromise(with_metaclass(ABCMeta, object)):
     elif (not self.__is_tested and not check_anomaly) or \
         (not self.__is_anomaly_detected and check_anomaly):
       # Anomaly or Test is disabled on this promise, send empty 
-      slapgrid_version = self.getConfig('slapgrid-version', '')
-      if parse_version(slapgrid_version) <= parse_version('1.4.17'):
-        # old version cannot send EmptyResult
-        self.__sendResult(PromiseQueueResult(item=TestResult()))
-      else:
       self.__sendResult(PromiseQueueResult())
     else:
       try: