Miscellaneous pylint fixes.

The following rules are no longer disabled:

- bad-format-string
- duplicate-key
- lost-exception
- trailing-newlines
- unexpected-keyword-arg
- useless-suppression
- using-constant-test

test/sanity/pep8/legacy-files.txt

@@ -114,7 +114,6 @@ lib/ansible/modules/cloud/misc/virt_pool.py
 lib/ansible/modules/cloud/misc/xenserver_facts.py
 lib/ansible/modules/cloud/openstack/os_group.py
 lib/ansible/modules/cloud/openstack/os_image.py
-lib/ansible/modules/cloud/openstack/os_image_facts.py
 lib/ansible/modules/cloud/openstack/os_ironic.py
 lib/ansible/modules/cloud/openstack/os_keypair.py
 lib/ansible/modules/cloud/openstack/os_keystone_domain.py
@@ -310,7 +309,6 @@ lib/ansible/modules/network/nxos/nxos_overlay_global.py
 lib/ansible/modules/network/nxos/nxos_ping.py
 lib/ansible/modules/network/nxos/nxos_smu.py
 lib/ansible/modules/network/nxos/nxos_snapshot.py
-lib/ansible/modules/network/nxos/nxos_snmp_community.py
 lib/ansible/modules/network/nxos/nxos_snmp_contact.py
 lib/ansible/modules/network/nxos/nxos_snmp_host.py
 lib/ansible/modules/network/nxos/nxos_snmp_traps.py
@@ -410,7 +408,6 @@ lib/ansible/modules/storage/netapp/na_cdot_qtree.py
 lib/ansible/modules/storage/netapp/na_cdot_volume.py
 lib/ansible/modules/storage/netapp/netapp_e_amg.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

test/sanity/pylint/disable.txt

@@ -6,7 +6,6 @@ arguments-differ
 assignment-from-no-return
 attribute-defined-outside-init
 bad-continuation
-bad-format-string
 bad-indentation
 bad-mcs-classmethod-argument
 bad-open-mode
@@ -20,7 +19,6 @@ consider-using-enumerate
 deprecated-lambda
 deprecated-method
 deprecated-module
-duplicate-key
 eval-used
 exec-used
 expression-not-assigned
@@ -38,7 +36,6 @@ line-too-long
 locally-disabled
 logging-format-interpolation
 logging-not-lazy
-lost-exception
 method-hidden
 misplaced-comparison-constant
 missing-docstring
@@ -80,9 +77,7 @@ too-many-nested-blocks
 too-many-public-methods
 too-many-return-statements
 too-many-statements
-trailing-newlines
 undefined-loop-variable
-unexpected-keyword-arg
 ungrouped-imports
 unidiomatic-typecheck
 unnecessary-lambda
@@ -97,8 +92,6 @@ unused-variable
 unused-wildcard-import
 used-before-assignment
 useless-else-on-loop
-useless-suppression
-using-constant-test
 wildcard-import
 wrong-import-order
 wrong-import-position