* Update run_tests.sh to the latest revision
  * drop odd .kitchen.vagrant.yml

Related-Bug: PROD-20730 (PROD:20730)

Change-Id: I367800a60ad17020700a76670d1216dfdfcfe692

This is also covers the following CIS items
* CIS 1.7.1.5 Ensure permissions on /etc/issue are configured (Scored)

Change-Id: If8c237ff4db7e9ab7ee244278d28f632e73ecb56
Related-Prod: PROD-19166