lots of cleanup; removal of some roles we are not actually going to rewrite or use

roles/etc_hosts/defaults/main.yml

@@ -8,7 +8,6 @@ __template_header : The Zen Garden
 
 
 __etc_hosts_file        : /etc/hosts
-__etc_hosts_file_docker : /etc/hosts.docker
 __etc_hosts_version     : 1.0.0
 __etc_hosts_revision    : 22314
 

roles/etc_hosts/tasks/main.yml

@@ -1,7 +1,7 @@
 ---
 - name: Set etc_hosts_file if running in Docker
   set_fact:
-    etc_hosts_file: "{{ __etc_hosts_file_docker }}"
+    etc_hosts_file: "{{ __etc_hosts_file }}.docker"
   when:
     - ansible_virtualization_type == "docker"
 

roles/etc_hosts/vars/main.yml

@@ -1,2 +0,0 @@
----
-# vars file for etc_hosts