cleanup jenkins_installonly

`jenkins_installonly` was a residue of a bigger playbook this role was
part of. Doesn't really feel clean and idempotent so I remove it.

inventory.yml

@@ -13,12 +13,6 @@ all:
           # Just a test to see if the default template can
           # be run without any vars
   vars:
-    # If you want this playbook to only install Jenkins and let
-    # him be managed by other means thereafter, you can change this
-    # variable globally or by host.
-    # By default : False
-    jenkins_installonly: False
-
     # Check if etckeeper is installed and /etc is clean
     checketckeeper: True
 

roles/jenkins-php-v1/tasks/main.yml

@@ -1,44 +1,26 @@
 ---
 
-# Usually, we only install Jenkins and let it live its life,
-# so if it seems to be already installed, we skip this task.
-- name: Check if /var/lib/jenkins exists
-  stat:
-    path: "{{ jenkins_home }}"
-  register: result
-- name: No going further if jenkinsonlyinstall is set and Jenkins is already installed
-  set_fact:
-    gogogo: "{{ jenkins_installonly is undefined or jenkins_installonly == False or result.stat.isdir is undefined or result.stat.isdir == False }}"
-
 - name: Warning about confidentiality
   pause:
     prompt: "Warning: this role will manage and display a lot of passwords and keys readable through the Ansible log and the process infos on each host. Sorry..."
-    seconds: 1  # TODO: 10
-  when: gogogo
+    seconds: 10
 
 
 # Pre-check
 - include_tasks: roles/jenkins-php-v1/tasks/00_precheck.yml
-  when: gogogo
 
 # Install Jenkins via the upstream repository
 - include_tasks: roles/jenkins-php-v1/tasks/10_jenkins-repository.yml
-  when: gogogo
 
 - include_tasks: roles/jenkins-php-v1/tasks/20_install-plugins.yml
-  when: gogogo
 
 # At the moment, groups or roles are kinda overkill
 # (but it probably will get back on us at the end...)
 - include_tasks: roles/jenkins-php-v1/tasks/30_users.yml
-  when: gogogo
 
 # Big configuration step : ACL, SSH keys aka. credentials, etc.
 - include_tasks: roles/jenkins-php-v1/tasks/40_configure-jenkins.yml
-  when: gogogo
 
 - include_tasks: roles/jenkins-php-v1/tasks/50_create-jobs.yml
-  when: gogogo
 
 - include_tasks: roles/jenkins-php-v1/tasks/60_install-nginx-proxy.yml
-  when: gogogo