removed erroneous cache

inventory_provider/db/ims_data.py

@@ -2,7 +2,6 @@ import logging
 import re
 from collections import OrderedDict, defaultdict
 from copy import copy
-from functools import lru_cache
 from itertools import chain
 
 from inventory_provider import environment
@@ -25,8 +24,6 @@ IMS_OPSDB_STATUS_MAP = {
 STATUSES_TO_IGNORE = \
     [InventoryStatus.OUT_OF_SERVICE.value]
 
-
-@lru_cache(64, typed=False)
 def get_service_types(ds: IMS):
     for d in ds.get_filtered_entities(
             'ComboBoxData',