[MOLECULE] Unpin the ansible-lint pip package

Unpinned due to molecule failing on 'lint' command

Change-Id: Ib8fddf2edd0c8b81176f6ebfd5346478d6b53e52
Issue-ID: OOM-2924
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/ansible/test/bin/install-molecule.sh b/ansible/test/bin/install-molecule.sh
index c2d8e42..87de8d8 100755
--- a/ansible/test/bin/install-molecule.sh
+++ b/ansible/test/bin/install-molecule.sh
@@ -42,5 +42,5 @@
 if [ ! -z ${VIRTUAL_ENV} ]; then
     echo "Activated virtual env in ${VIRTUAL_ENV}"
     pip -q install -U pip
-    pip -q install molecule==3.3.0 Jinja2==2.11.3 ansible-base==2.10.8 ansible==3.2.0 ansible-lint==5.0.7 docker molecule-docker==0.2.4 pytest-testinfra yamllint flake8
+    pip -q install molecule==3.3.0 Jinja2==2.11.3 ansible-base==2.10.8 ansible==3.2.0 docker molecule-docker==0.2.4 pytest-testinfra yamllint flake8
 fi