Ignore pylint errors caused by compatibility checks for six

* This is a temporary measure until we stop covering Python2
* Remove standalone ansible-lint tests since it is covered by ansible-test

Signed-off-by: saito-hideki <saito@fgrep.org>

tests/utils/shippable/lint.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-set -o pipefail -eux
-
-echo "${PATH/\~/${HOME}}"
-echo "${HOME}"
-command -v ansible
-
-pip install --upgrade --user pip
-pip install --upgrade --user ansible-lint
-
-PATH="${PATH/\~/${HOME}}" ansible-lint \
-                                    --exclude changelogs/ \
-                                    --profile=production