issue-51-telegram remove unused imports

test/experiment_telegram.py

@@ -1,5 +1,4 @@
 from dsmr_parser import telegram_specifications
-from dsmr_parser.objects import Telegram
 from dsmr_parser.parsers import TelegramParser
 from example_telegrams import TELEGRAM_V4_2
 parser = TelegramParser(telegram_specifications.V4)

test/test_parser_corner_cases.py

@@ -2,7 +2,6 @@ import unittest
 
 from dsmr_parser import telegram_specifications
 
-from dsmr_parser.objects import Telegram
 from dsmr_parser.objects import ProfileGenericObject
 from dsmr_parser.parsers import TelegramParser
 from dsmr_parser.parsers import ProfileGenericParser

test/test_telegram.py

@@ -6,7 +6,6 @@ from dsmr_parser import telegram_specifications
 from dsmr_parser import obis_name_mapping
 from dsmr_parser.objects import CosemObject
 from dsmr_parser.objects import MBusObject
-from dsmr_parser.objects import Telegram
 from dsmr_parser.objects import ProfileGenericObject
 from dsmr_parser.parsers import TelegramParser
 from test.example_telegrams import TELEGRAM_V4_2