Remove obsolete openshift-prerequisites role

This ceased to be used in 2017, see commit
d71a039927.

Signed-off-by: Nils Philippsen <nils@redhat.com>

roles/openshift-prerequisites/README.md

@@ -1,34 +0,0 @@
-OpenShift prerequisites Role
-============================
-
-An Ansible role to manage prerequisites for OSE installation.
-It performs the following operations:
-
-* Sets necessary sebools for GlusterFS and NFS.
-  https://docs.openshift.com/container-platform/3.3/install_config/install/prerequisites.html#prereq-selinux
-* Installs python-six package
-  https://github.com/openshift/openshift-ansible/issues/3020
-
-
-Role Variables Example
-----------------------
-
-    # Set up sebools
-    openshift_sebools:
-    - name: virt_sandbox_use_fusefs
-      state: yes
-      persistent: yes
-
-
-Example Playbook
-----------------
-
-    - hosts: all
-      roles:
-      - openshift-prerequisites
-
-
-Dependencies
-------------
-
-None.

roles/openshift-prerequisites/defaults/main.yml

@@ -1,14 +0,0 @@
----
-# SELinux booleans
-openshift_sebools:
-# https://docs.openshift.com/container-platform/3.3/install_config/persistent_storage/persistent_storage_glusterfs.html#selinux
-- name: virt_sandbox_use_fusefs
-  state: yes
-  persistent: yes
-# https://docs.openshift.com/container-platform/3.3/install_config/persistent_storage/persistent_storage_nfs.html#nfs-selinux
-- name: virt_use_nfs
-  state: yes
-  persistent: yes
-- name: virt_sandbox_use_nfs
-  state: yes
-  persistent: yes

roles/openshift-prerequisites/meta/main.yml

@@ -1,13 +0,0 @@
-# Standards: 1.6
----
-galaxy_info:
-  author: Andrej Golis
-  description: Set up prerequisites for OSE installation
-  company: Red Hat, Inc.
-  license: BSD
-  min_ansible_version: 2.1
-  platforms:
-  - name: EL
-    versions:
-    - 7
-dependencies: []

roles/openshift-prerequisites/tasks/main.yml

@@ -1,23 +0,0 @@
----
-- name: Install python-six package
-  package:
-    name: python-six
-    state: present
-
-- name: Install libselinux-python package
-  package:
-    name: libselinux-python
-    state: present
-
-- name: Configure SELinux
-  selinux:
-    state: enforcing
-    policy: targeted
-
-- name: enable/disable sebools
-  seboolean:
-    name: "{{ item.name }}"
-    state: "{{ item.state }}"
-    persistent: "{{ item.persistent }}"
-  with_items: "{{ openshift_sebools }}"
-  when: openshift_sebools != ""