chore: remove unused imports

Author: parthea

packages/gapic-generator/gapic/ads-templates/%namespace/%name/%version/%sub/services/%service/client.py.j2

@@ -7,7 +7,7 @@ from collections import OrderedDict
 import os
 import re
 from typing import Callable, Dict, Mapping, MutableMapping, MutableSequence, Optional, {% if service.any_server_streaming %}Iterable, {% endif %}{% if service.any_client_streaming %}Iterator, {% endif %}Sequence, Tuple, Type, Union, cast
-{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
+{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|select|list %}
 import uuid
 {% endif %}
 {% if service.any_deprecated %}

packages/gapic-generator/gapic/ads-templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2

@@ -4,7 +4,7 @@
 {% import "%namespace/%name/%version/%sub/services/%service/_shared_macros.j2" as shared_macros %}
 
 import os
-{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
+{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|select|list %}
 import re
 {% endif %}
 from unittest import mock

packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/services/%service/async_client.py.j2

@@ -8,7 +8,7 @@ import logging as std_logging
 from collections import OrderedDict
 import re
 from typing import Dict, Callable, Mapping, MutableMapping, MutableSequence, Optional, {% if service.any_server_streaming %}AsyncIterable, Awaitable, {% endif %}{% if service.any_client_streaming %}AsyncIterator, {% endif %}Sequence, Tuple, Type, Union
-{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
+{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|select|list %}
 import uuid
 {% endif %}
 {% if service.any_deprecated %}

packages/gapic-generator/gapic/templates/%namespace/%name_%version/%sub/services/%service/client.py.j2

@@ -16,7 +16,7 @@ import logging as std_logging
 import os
 import re
 from typing import Dict, Callable, Mapping, MutableMapping, MutableSequence, Optional, {% if service.any_server_streaming %}Iterable, {% endif %}{% if service.any_client_streaming %}Iterator, {% endif %}Sequence, Tuple, Type, Union, cast
-{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
+{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|select|list %}
 import uuid
 {% endif %}
 import warnings

packages/gapic-generator/gapic/templates/tests/unit/gapic/%name_%version/%sub/test_%service.py.j2

@@ -7,7 +7,7 @@
 {% import "%namespace/%name_%version/%sub/services/%service/_shared_macros.j2" as shared_macros %}
 
 import os
-{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|list %}
+{% if api.all_method_settings.values()|map(attribute="auto_populated_fields", default=[])|select|list %}
 import re
 {% endif %}
 from unittest import mock