Refactor downloads to use download role directly (#1824)

* Refactor downloads to use download role directly

Also disable fact delegation so download delegate works acros OSes.

* clean up bools and ansible_os_family conditionals

roles/download/tasks/download_file.yml

@@ -0,0 +1,37 @@
+---
+- name: file_download | Create dest directory
+  file:
+    path: "{{local_release_dir}}/{{download.dest|dirname}}"
+    state: directory
+    recurse: yes
+  when:
+    - download.enabled
+    - download.file
+
+- name: file_download | Download item
+  get_url:
+    url: "{{download.url}}"
+    dest: "{{local_release_dir}}/{{download.dest}}"
+    sha256sum: "{{download.sha256 | default(omit)}}"
+    owner: "{{ download.owner|default(omit) }}"
+    mode: "{{ download.mode|default(omit) }}"
+  register: get_url_result
+  until: "'OK' in get_url_result.msg or 'file already exists' in get_url_result.msg"
+  retries: 4
+  delay: "{{ retry_stagger | random + 3 }}"
+  environment: "{{ proxy_env }}"
+  when:
+    - download.enabled
+    - download.file
+
+- name: file_download | Extract archives
+  unarchive:
+    src: "{{ local_release_dir }}/{{download.dest}}"
+    dest: "{{ local_release_dir }}/{{download.dest|dirname}}"
+    owner: "{{ download.owner|default(omit) }}"
+    mode: "{{ download.mode|default(omit) }}"
+    copy: no
+  when:
+    - download.enabled
+    - download.file
+    - download.unarchive|default(False)