Remove /etc/kolla configuration folders
Remove /etc/kolla configuration folders

Kolla deployment creates /etc/kolla folder on a target host
with multiple configuration files. In some scenarios,
the presence of these files prevent successful deployment
of certain services especially when their configuration parameters
have been changed on the deployment host.

Change-Id: Iefd544b50fc90b7f00d6e137bc14ab4807ef7c0f
Closes-Bug: #1561055

stackforge/kolla,intel-onp/kolla,stackforge/kolla,mandre/kolla,rahulunair/kolla,nihilifer/kolla,openstack/kolla,mandre/kolla,mandre/kolla,dardelean/kolla-ansible,GalenMa/kolla,intel-onp/kolla,GalenMa/kolla,nihilifer/kolla,coolsvap/kolla,stackforge/kolla,dardelean/kolla-ansible,rahulunair/kolla,tonyli71/kolla,dardelean/kolla-ansible,tonyli71/kolla,coolsvap/kolla,coolsvap/kolla,openstack/kolla,mrangana/kolla,mrangana/kolla