Removed unneeded objects validation in Manager.clean_objects()

minode/manager.py

@@ -56,15 +56,11 @@ class Manager(threading.Thread):
     @staticmethod
     def clean_objects():
         for vector in set(shared.objects):
-            if not shared.objects[vector].is_valid():
+            # FIXME: no need to check is_valid() here
             if shared.objects[vector].is_expired():
                 logging.debug(
                     'Deleted expired object: %s',
                     base64.b16encode(vector).decode())
-                else:
-                    logging.warning(
-                        'Deleted invalid object: %s',
-                        base64.b16encode(vector).decode())
                 with shared.objects_lock:
                     del shared.objects[vector]