Update .gitignore
Update .gitignore

This patch[1] already explains why updating .gitignore

[1]https://review.openstack.org/#/c/466356/

Change-Id: I172ef064c1ce1ebdab96ada429276b89a0211e5b
Depends-On: Ifeaaa14c63158d0318218ca62ee41e98fc4c0b57
Co-Authored-By: Alex Schultz <6963656cd5f1036a86f38d6c01e67c3f63074c58@redhat.com>

stackforge/puppet-ceph,cloudbuy/puppet-ceph,openstack/puppet-ceph,cloudbuy/puppet-ceph,norcams/puppet-ceph,openstack/puppet-ceph,norcams/puppet-ceph