DCD-686: Move back to pipenv-based Ansible installation to work around bugs (again).

bin/ansible-with-atl-env

@@ -14,8 +14,9 @@ source $ENV_FILE
 set +a
 
 # Use Ansible from virtualenv if provided
-ansible-playbook -v \
-    $ATL_DEPLOYMENT_REPOSITORY_CUSTOM_PARAMS \
-    -i $INV \
-    $PLAYBOOK \
-    2>&1 | tee --append $LOG_FILE
+pipenv run \
+    ansible-playbook -v \
+        $ATL_DEPLOYMENT_REPOSITORY_CUSTOM_PARAMS \
+        -i $INV \
+        $PLAYBOOK \
+        2>&1 | tee --append $LOG_FILE