Pep8 fixes for web_infra/ansible_tower (#24479)

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

test/sanity/pep8/legacy-files.txt

@@ -702,21 +702,6 @@ lib/ansible/modules/utilities/helper/_accelerate.py
 lib/ansible/modules/utilities/logic/async_status.py
 lib/ansible/modules/utilities/logic/async_wrapper.py
 lib/ansible/modules/utilities/logic/wait_for.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_credential.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_group.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_host.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_inventory.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_job_cancel.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_job_launch.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_job_list.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_job_template.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_job_wait.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_label.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_organization.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_project.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_role.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_team.py
-lib/ansible/modules/web_infrastructure/ansible_tower/tower_user.py
 lib/ansible/modules/web_infrastructure/ejabberd_user.py
 lib/ansible/modules/web_infrastructure/jboss.py
 lib/ansible/parsing/dataloader.py