fix: delete all entries besides entity from __init__

Author: uwzm

frost_sta_client/model/__init__.py

@@ -1,13 +1 @@
-from frost_sta_client.model import actuator
-from frost_sta_client.model import datastream
 from frost_sta_client.model import entity
-from frost_sta_client.model import feature_of_interest
-from frost_sta_client.model import historical_location
-from frost_sta_client.model import location
-from frost_sta_client.model import multi_datastream
-from frost_sta_client.model import observation
-from frost_sta_client.model import observedproperty
-from frost_sta_client.model import sensor
-from frost_sta_client.model import task
-from frost_sta_client.model import tasking_capability
-from frost_sta_client.model import thing