Role irods: clean up 'ubuntu' tasks

Remove anything not Ubuntu-specific in the 'ubuntu' folder.

irods/tasks/main.yml

@@ -4,4 +4,8 @@
   import_tasks: centos/main.yml
   when: ansible_facts['distribution'] == "CentOS"
 
+- name: Install iRODS for Ubuntu.
+  import_tasks: ubuntu/main.yml
+  when: ansible_facts['distribution'] == "Ubuntu"
+
 ...

irods/tasks/ubuntu/main.yml

@@ -3,7 +3,6 @@
 - import_tasks: group_user.yml
 - import_tasks: repos.yml
 - import_tasks: packages.yml
-- import_tasks: security.yml
 - import_tasks: pip.yml
 - import_tasks: irods_config.yml
 

irods/tasks/ubuntu/packages.yml

 ---
 
-- name: Install iRODS packages and misc. on CentOS
-  package:
-    name: 
-      - libselinux-python
-      - python-pip
-      - irods-server-{{ irods_version }}
-      - irods-database-plugin-postgres-{{ irods_version }}
-    state: present
-  when: ansible_facts['distribution'] == "CentOS"
-
 - name: Install iRODS packages and misc. on Ubuntu
   package:
     name:
@@ -18,6 +8,5 @@
       - irods-server={{ irods_version }}
       - irods-database-plugin-postgres={{ irods_version }}
     state: present
-  when: ansible_facts['distribution'] == "Ubuntu"
 
 ...

irods/tasks/ubuntu/repos.yml

 ---
 
-- name: Add key and iRODS repository on CentOS 7
-  block: 
-    - name: Add key for iRODS repository on CentOS 7 
-      rpm_key:
-        state: present
-        key: https://packages.irods.org/irods-signing-key.asc
-        validate_certs: yes
-
-    - name: Add iRODS repository on CentOS 7
-      yum_repository:
-        description: RENCI iRODS Repository
-        name: irods
-        file: renci-irods.yum
-        baseurl: https://packages.irods.org/yum/pool/centos$releasever/$basearch
-        enabled: yes
-        gpgcheck: no
-        gpgkey: https://packages.irods.org/irods-signing-key.asc
-        repo_gpgcheck: no
-        state: present
-  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7" and not use_local_mirror)
-
 - name: Add key and iRODS repository on Debian / Ubuntu
   block:
     - name: Add key for iRODS repository on Debian / Ubuntu
@@ -36,7 +15,6 @@
         filename: renci-irods
         update_cache: true 
         validate_certs: yes
-  when: ansible_facts['distribution'] == "Ubuntu"
 
 ...
 

irods/tasks/ubuntu/security.yml

----
-
-- name: Set SELinux mode on CentOS
-  selinux:
-    policy: targeted
-    state: "{{ selinux_mode }}" 
-  when: ansible_facts['distribution'] == "CentOS"
-
-...