Remove ansible-lint checks from Juno branch

This patch removes ansible-lint checks from gate-check-lint
and everything else in place to facilitate it.

ansible-lint does not support the version of ansible used
and it is preferred that we not use a hacked version of
ansible.

Change-Id: I6887d4d78340ded8167b18c56cc1c86c4cdf1faa
Closes-Bug: #1484849

dev-requirements.txt

@@ -1,4 +1,3 @@
-ansible-lint>=2.0.3
 flake8==2.2.4
 hacking>=0.10.0,<0.11
 pep8==1.5.7

scripts/gate-check-lint.sh

@@ -48,13 +48,6 @@ if ! which ansible-playbook > /dev/null; then
   exit 1
 fi
 
-# Install the development requirements
-if [ -f dev-requirements.txt ]; then
-  pip2 install -r dev-requirements.txt || pip install -r dev-requirements.txt
-else
-  pip2 install ansible-lint || pip install ansible-lint
-fi
-
 # Perform our simple sanity checks
 echo -e '[all]\nlocalhost ansible_connection=local' | tee local_only_inventory
 
@@ -64,10 +57,3 @@ ansible-playbook -i local_only_inventory --syntax-check \
                  $(find ${PLAYBOOK_PATH} -type f -name "*.yml" \
                         ! -name "os-service-config-update.yml" \
                         ! -name "host-network-setup.yml")
-
-# Perform a lint check on all playbooks and roles
-info_block "Running Lint Check"
-ansible-lint --version
-ansible-lint $(find ${PLAYBOOK_PATH} -type f -name "*.yml" \
-                    ! -name "os-service-config-update.yml" \
-                    ! -name "host-network-setup.yml")