Overhaul reuse structure from role to task orientation

The overall config this will end up with is going to be nowhere
near complicated enough to require the segmented structure of roles.
A single directory of reusable tasks and resources will be much better

tasks/packages/update.yml

@@ -0,0 +1,32 @@
+---
+# Ansible Lint 403 ("Package installs should not use latest") is silenced here because
+# it would defeat the point otherwise
+- name: Upgrade Fedora and CentOS 8 packages  # noqa: 403
+  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "8"
+  become: true
+  dnf:
+    state: latest
+    name: "*"
+    exclude: "{{ ','.join(omni_pkg_exclude | default(['kernel*', 'docker-ce'])) }}"
+
+- name: Upgrade CentOS 7 packages  # noqa: 403
+  when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
+  become: true
+  yum:
+    state: latest
+    name: "*"
+    exclude: "{{ ','.join(omni_pkg_exclude | default(['kernel*', 'docker-ce'])) }}"
+
+- name: Upgrade Fedora packages  # noqa: 403
+  when: ansible_distribution == "Fedora"
+  become: true
+  dnf:
+    state: latest
+    name: "*"
+    exclude: "{{ ','.join(omni_pkg_exclude | default(['kernel*', 'docker-ce'])) }}"
+
+# Yeah I'll get here eventually
+# - name: Upgrade APT packages
+#   when: ansible_distribution == "Debian" or ansible_distribution == "Ubuntu"
+#   become: true
+#   apt: