Disallow duplicates

defaults/main.yml

@@ -1,12 +1,4 @@
 ---
-common__scenarios:
-  - basics
-  - usability
-  - ssh
-  - iptables
-  - certbot
-  - nginx
-
 common__certbot__run: true
 common__certbot__email: 'user@example.com'
 common__certbot__cert_name: 'example.com'

meta/main.yml

@@ -1,5 +1,5 @@
 ---
-allow_duplicates: true
+allow_duplicates: false
 dependencies: []
 
 galaxy_info:

tasks/main.yml

@@ -1,25 +1,7 @@
 ---
 - include_tasks: basics.yml
-  when: >-
-    'basics'    in common__scenarios or
-    'usability' in common__scenarios
-
 - include_tasks: usability.yml
-  when: >-
-    'usability' in common__scenarios
-
 - include_tasks: ssh.yml
-  when: >-
-    'ssh' in common__scenarios
-
 - include_tasks: iptables.yml
-  when: >-
-    'iptables' in common__scenarios
-
 - include_tasks: certbot.yml
-  when: >-
-    'certbot' in common__scenarios
-
 - include_tasks: nginx.yml
-  when: >-
-    'nginx' in common__scenarios