Revert "Adding new virtualiation roles"

This reverts commit c140c997.

playbooks/roles/container/defaults/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-##
-# Defaults for role container
-# 
-
-#
-# vars are namespaced with the module name.
-#
-container_role_name: container
-
-#
-# OS packages
-#
-
-container_debian_pkgs: []
-
-container_redhat_pkgs: []

playbooks/roles/container/meta/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-##
-# Role includes for role container
-# 
-# Example:
-#
-# dependencies:
-#   - {
-#   role: my_role 
-#   my_role_var0: "foo"
-#   my_role_var1: "bar"
-# }

playbooks/roles/container/tasks/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-#
-#
-# Tasks for role container
-# 
-# Overview:
-# 
-#
-# Dependencies:
-#
-# 
-# Example play:
-#
-#
-
-- name: stub ansible task
-  debug: msg="This is a stub task created by the ansible-role role"
-  notify: notify me

playbooks/roles/docker/defaults/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-##
-# Defaults for role docker
-# 
-
-#
-# vars are namespaced with the module name.
-#
-docker_role_name: docker
-
-#
-# OS packages
-#
-
-docker_debian_pkgs: []
-
-docker_redhat_pkgs: []

playbooks/roles/docker/meta/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-##
-# Role includes for role docker
-# 
-# Example:
-#
-# dependencies:
-#   - {
-#   role: my_role 
-#   my_role_var0: "foo"
-#   my_role_var1: "bar"
-# }
-
-dependencies:
-  - container

playbooks/roles/docker/tasks/main.yml

----
-#
-# edX Configuration
-#
-# github:     https://github.com/edx/configuration
-# wiki:       https://github.com/edx/configuration/wiki
-# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
-# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
-#
-#
-#
-# Tasks for role docker
-# 
-# Overview:
-# 
-#
-# Dependencies:
-#
-# 
-# Example play:
-#
-#
-
-- name: stub ansible task
-  debug: msg="This is a stub task created by the ansible-role role"
-  notify: notify me