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/sshd/banner.yml

@@ -0,0 +1,7 @@
+---
+- name: Install SSH Banner
+  become: true
+  template:
+    src: motd.j2
+    dest: /etc/issue.net
+    mode: 0644

tasks/sshd/secure.yml

@@ -0,0 +1,29 @@
+---
+- name: Set parameters in sshd config
+  become: true
+  lineinfile:
+    path: /etc/ssh/sshd_config
+    regexp: "{{ item.match }}"
+    line: "{{ item.set }}"
+    state: present
+  loop:
+    - match: "#?PermitRootLogin (yes|no)"
+      set: "PermitRootLogin no"
+    - match: "#?Banner (none|/etc/issue.net)"
+      set: "Banner /etc/issue.net"
+    - match: "#?PasswordAuthentication (yes|no)"
+      set: "PasswordAuthentication no"
+    - match: "#?GSSAPIAuthentication (yes|no)"
+      set: "GSSAPIAuthentication no"
+    - match: "#?ChallengeResponseAuthentication (yes|no)"
+      set: "ChallengeResponseAuthentication no"
+  loop_control:
+    label: "{{ item.set }}"
+  register: _sshd_config_result
+
+- name: Restart sshd service
+  when: _sshd_config_result.changed
+  become: true
+  systemd:
+    name: sshd
+    state: restarted