lambda_info: Remove unused variable and import (#66124)

* Clean up residual code from #64548

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

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

@@ -87,7 +87,6 @@ from ansible.module_utils.aws.core import AnsibleAWSModule
 from ansible.module_utils.ec2 import camel_dict_to_snake_dict, get_aws_connection_info, boto3_conn
 import json
 import datetime
-import sys
 import re
 
 
@@ -366,8 +365,6 @@ def main():
     except ClientError as e:
         module.fail_json_aws(e, "trying to set up boto connection")
 
-    this_module = sys.modules[__name__]
-
     invocations = dict(
         aliases='alias_details',
         all='all_details',