Remove unused imports from aws_config_aggregator (#41803)

lib/ansible/modules/cloud/amazon/aws_config_aggregator.py

@@ -81,13 +81,11 @@ RETURN = r'''#'''
 
 try:
     import botocore
-    from botocore.exceptions import BotoCoreError, ClientError
 except ImportError:
     pass  # handled by AnsibleAWSModule
 
 from ansible.module_utils.aws.core import AnsibleAWSModule, is_boto3_error_code
-from ansible.module_utils.ec2 import boto3_conn, get_aws_connection_info, AWSRetry
-from ansible.module_utils.ec2 import camel_dict_to_snake_dict, boto3_tag_list_to_ansible_dict
+from ansible.module_utils.ec2 import AWSRetry, camel_dict_to_snake_dict
 
 
 def resource_exists(client, module, params):
@@ -104,7 +102,7 @@ def resource_exists(client, module, params):
 
 def create_resource(client, module, params, result):
     try:
-        response = client.put_configuration_aggregator(
+        client.put_configuration_aggregator(
             ConfigurationAggregatorName=params['ConfigurationAggregatorName'],
             AccountAggregationSources=params['AccountAggregationSources'],
             OrganizationAggregationSource=params['OrganizationAggregationSource']