Fix PEP 8 issues.

test/sanity/pep8/legacy-files.txt

@@ -176,17 +176,6 @@ lib/ansible/modules/storage/netapp/netapp_e_snapshot_group.py
 lib/ansible/modules/storage/netapp/netapp_e_snapshot_volume.py
 lib/ansible/modules/storage/netapp/netapp_e_storage_system.py
 lib/ansible/modules/storage/netapp/netapp_e_storagepool.py
-lib/ansible/modules/storage/netapp/sf_account_manager.py
-lib/ansible/modules/storage/netapp/sf_snapshot_schedule_manager.py
-lib/ansible/modules/storage/netapp/sf_volume_access_group_manager.py
-lib/ansible/modules/storage/netapp/sf_volume_manager.py
-lib/ansible/modules/storage/zfs/zfs.py
-lib/ansible/modules/system/aix_inittab.py
-lib/ansible/modules/system/at.py
-lib/ansible/modules/system/capabilities.py
-lib/ansible/modules/system/cron.py
-lib/ansible/modules/system/cronvar.py
-lib/ansible/modules/system/crypttab.py
 lib/ansible/modules/system/debconf.py
 lib/ansible/modules/system/firewalld.py
 lib/ansible/modules/system/known_hosts.py