Update playbooks/adhoc/uninstall.yml
Update playbooks/adhoc/uninstall.yml

It is impossible to delete directory /var/lib/docker when it is a mount point to the docker file system.
In this case the uninstall process fails with error.
I propose just clean it up from all docker's stuff
 
 - name: Remove remaining files
    file: path={{ item }} state=absent
    with_items:
    - /var/lib/docker/*
jwhonce/openshift-ansible,tagliateller/openshift-ansible,maxamillion/openshift-ansible,liggitt/openshift-ansible,sdodson/openshift-ansible,rjhowe/openshift-ansible,jwhonce/openshift-ansible,openshift/openshift-ansible,ewolinetz/openshift-ansible,twiest/openshift-ansible,ewolinetz/openshift-ansible,mwoodson/openshift-ansible,twiest/openshift-ansible,miminar/openshift-ansible,openshift/openshift-ansible,markllama/openshift-ansible,liggitt/openshift-ansible,miminar/openshift-ansible,markllama/openshift-ansible,markllama/openshift-ansible,twiest/openshift-ansible,aveshagarwal/openshift-ansible,ewolinetz/openshift-ansible,akram/openshift-ansible,jwhonce/openshift-ansible,liggitt/openshift-ansible,liggitt/openshift-ansible,gburges/openshift-ansible,tagliateller/openshift-ansible,tagliateller/openshift-ansible,rjhowe/openshift-ansible,akram/openshift-ansible,markllama/openshift-ansible,kwoodson/openshift-ansible,jwhonce/openshift-ansible,maxamillion/openshift-ansible,rjhowe/openshift-ansible,sdodson/openshift-ansible,mwoodson/openshift-ansible,nak3/openshift-ansible,aveshagarwal/openshift-ansible,maxamillion/openshift-ansible,aveshagarwal/openshift-ansible,gburges/openshift-ansible,maxamillion/openshift-ansible,markllama/openshift-ansible,rjhowe/openshift-ansible,sdodson/openshift-ansible,bparees/openshift-ansible,tagliateller/openshift-ansible,rjhowe/openshift-ansible,maxamillion/openshift-ansible,rhdedgar/openshift-ansible,miminar/openshift-ansible,ewolinetz/openshift-ansible,twiest/openshift-ansible,ewolinetz/openshift-ansible,bparees/openshift-ansible,liggitt/openshift-ansible,kwoodson/openshift-ansible,tagliateller/openshift-ansible,sdodson/openshift-ansible,sdodson/openshift-ansible,miminar/openshift-ansible,aveshagarwal/openshift-ansible,twiest/openshift-ansible,nak3/openshift-ansible,miminar/openshift-ansible,jwhonce/openshift-ansible,rhdedgar/openshift-ansible,aveshagarwal/openshift-ansible